638157408

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:521

約数の個数: 192

約数和(自身を含む): 2034708480

約数和(自身を除く): 1396551072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 76, 84, 96, 112, 114, 133, 151, 152, 168, 224, 228, 266, 302, 304, 331, 336, 399, 453, 456, 532, 604, 608, 662, 672, 798, 906, 912, 993, 1057, 1064, 1208, 1324, 1596, 1812, 1824, 1986, 2114, 2128, 2317, 2416, 2648, 2869, 3171, 3192, 3624, 3972, 4228, 4256, 4634, 4832, 5296, 5738, 6289, 6342, 6384, 6951, 7248, 7944, 8456, 8607, 9268, 10592, 11476, 12578, 12684, 12768, 13902, 14496, 15888, 16912, 17214, 18536, 18867, 20083, 22952, 25156, 25368, 27804, 31776, 33824, 34428, 37072, 37734, 40166, 44023, 45904, 49981, 50312, 50736, 55608, 60249, 68856, 74144, 75468, 80332, 88046, 91808, 99962, 100624, 101472, 111216, 120498, 132069, 137712, 149943, 150936, 160664, 176092, 199924, 201248, 222432, 240996, 264138, 275424, 299886, 301872, 321328, 349867, 352184, 399848, 481992, 528276, 599772, 603744, 642656, 699734, 704368, 799696, 949639, 963984, 1049601, 1056552, 1199544, 1399468, 1408736, 1599392, 1899278, 1927968, 2099202, 2113104, 2399088, 2798936, 2848917, 3798556, 4198404, 4226208, 4798176, 5597872, 5697834, 6647473, 7597112, 8396808, 11195744, 11395668, 13294946, 15194224, 16793616, 19942419, 22791336, 26589892, 30388448, 33587232, 39884838, 45582672, 53179784, 79769676, 91165344, 106359568, 159539352, 212719136, 319078704, 638157408]

約数ペア:

[(1, 638157408), (2, 319078704), (3, 212719136), (4, 159539352), (6, 106359568), (7, 91165344), (8, 79769676), (12, 53179784), (14, 45582672), (16, 39884838), (19, 33587232), (21, 30388448), (24, 26589892), (28, 22791336), (32, 19942419), (38, 16793616), (42, 15194224), (48, 13294946), (56, 11395668), (57, 11195744), (76, 8396808), (84, 7597112), (96, 6647473), (112, 5697834), (114, 5597872), (133, 4798176), (151, 4226208), (152, 4198404), (168, 3798556), (224, 2848917), (228, 2798936), (266, 2399088), (302, 2113104), (304, 2099202), (331, 1927968), (336, 1899278), (399, 1599392), (453, 1408736), (456, 1399468), (532, 1199544), (604, 1056552), (608, 1049601), (662, 963984), (672, 949639), (798, 799696), (906, 704368), (912, 699734), (993, 642656), (1057, 603744), (1064, 599772), (1208, 528276), (1324, 481992), (1596, 399848), (1812, 352184), (1824, 349867), (1986, 321328), (2114, 301872), (2128, 299886), (2317, 275424), (2416, 264138), (2648, 240996), (2869, 222432), (3171, 201248), (3192, 199924), (3624, 176092), (3972, 160664), (4228, 150936), (4256, 149943), (4634, 137712), (4832, 132069), (5296, 120498), (5738, 111216), (6289, 101472), (6342, 100624), (6384, 99962), (6951, 91808), (7248, 88046), (7944, 80332), (8456, 75468), (8607, 74144), (9268, 68856), (10592, 60249), (11476, 55608), (12578, 50736), (12684, 50312), (12768, 49981), (13902, 45904), (14496, 44023), (15888, 40166), (16912, 37734), (17214, 37072), (18536, 34428), (18867, 33824), (20083, 31776), (22952, 27804), (25156, 25368)]