638246784

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12497}}^1$

素因数の和:12540

約数の個数: 128

約数和(自身を含む): 2039673600

約数和(自身を除く): 1401426816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 266, 304, 336, 384, 399, 448, 456, 532, 608, 672, 798, 896, 912, 1064, 1216, 1344, 1596, 1824, 2128, 2432, 2688, 3192, 3648, 4256, 6384, 7296, 8512, 12497, 12768, 17024, 24994, 25536, 37491, 49988, 51072, 74982, 87479, 99976, 149964, 174958, 199952, 237443, 262437, 299928, 349916, 399904, 474886, 524874, 599856, 699832, 712329, 799808, 949772, 1049748, 1199712, 1399664, 1424658, 1599616, 1662101, 1899544, 2099496, 2399424, 2799328, 2849316, 3324202, 3799088, 4198992, 4798848, 4986303, 5598656, 5698632, 6648404, 7598176, 8397984, 9972606, 11197312, 11397264, 13296808, 15196352, 16795968, 19945212, 22794528, 26593616, 30392704, 33591936, 39890424, 45589056, 53187232, 79780848, 91178112, 106374464, 159561696, 212748928, 319123392, 638246784]

約数ペア:

[(1, 638246784), (2, 319123392), (3, 212748928), (4, 159561696), (6, 106374464), (7, 91178112), (8, 79780848), (12, 53187232), (14, 45589056), (16, 39890424), (19, 33591936), (21, 30392704), (24, 26593616), (28, 22794528), (32, 19945212), (38, 16795968), (42, 15196352), (48, 13296808), (56, 11397264), (57, 11197312), (64, 9972606), (76, 8397984), (84, 7598176), (96, 6648404), (112, 5698632), (114, 5598656), (128, 4986303), (133, 4798848), (152, 4198992), (168, 3799088), (192, 3324202), (224, 2849316), (228, 2799328), (266, 2399424), (304, 2099496), (336, 1899544), (384, 1662101), (399, 1599616), (448, 1424658), (456, 1399664), (532, 1199712), (608, 1049748), (672, 949772), (798, 799808), (896, 712329), (912, 699832), (1064, 599856), (1216, 524874), (1344, 474886), (1596, 399904), (1824, 349916), (2128, 299928), (2432, 262437), (2688, 237443), (3192, 199952), (3648, 174958), (4256, 149964), (6384, 99976), (7296, 87479), (8512, 74982), (12497, 51072), (12768, 49988), (17024, 37491), (24994, 25536)]