638123592

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 1741824000

約数和(自身を除く): 1103700408

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 31, 46, 62, 69, 89, 92, 93, 124, 138, 178, 184, 186, 248, 267, 276, 356, 372, 419, 534, 552, 712, 713, 744, 838, 1068, 1257, 1426, 1676, 2047, 2136, 2139, 2514, 2759, 2852, 3352, 4094, 4278, 5028, 5518, 5704, 6141, 8188, 8277, 8556, 9637, 10056, 11036, 12282, 12989, 16376, 16554, 17112, 19274, 22072, 24564, 25978, 28911, 33108, 37291, 38548, 38967, 49128, 51956, 57822, 63457, 66216, 74582, 77096, 77934, 103912, 111873, 115644, 126914, 149164, 155868, 190371, 223746, 231288, 253828, 298328, 298747, 311736, 380742, 447492, 507656, 597494, 761484, 857693, 894984, 896241, 1156021, 1194988, 1522968, 1715386, 1792482, 2312042, 2389976, 2573079, 3430772, 3468063, 3584964, 4624084, 5146158, 6861544, 6936126, 7169928, 9248168, 10292316, 13872252, 20584632, 26588483, 27744504, 53176966, 79765449, 106353932, 159530898, 212707864, 319061796, 638123592]

約数ペア:

[(1, 638123592), (2, 319061796), (3, 212707864), (4, 159530898), (6, 106353932), (8, 79765449), (12, 53176966), (23, 27744504), (24, 26588483), (31, 20584632), (46, 13872252), (62, 10292316), (69, 9248168), (89, 7169928), (92, 6936126), (93, 6861544), (124, 5146158), (138, 4624084), (178, 3584964), (184, 3468063), (186, 3430772), (248, 2573079), (267, 2389976), (276, 2312042), (356, 1792482), (372, 1715386), (419, 1522968), (534, 1194988), (552, 1156021), (712, 896241), (713, 894984), (744, 857693), (838, 761484), (1068, 597494), (1257, 507656), (1426, 447492), (1676, 380742), (2047, 311736), (2136, 298747), (2139, 298328), (2514, 253828), (2759, 231288), (2852, 223746), (3352, 190371), (4094, 155868), (4278, 149164), (5028, 126914), (5518, 115644), (5704, 111873), (6141, 103912), (8188, 77934), (8277, 77096), (8556, 74582), (9637, 66216), (10056, 63457), (11036, 57822), (12282, 51956), (12989, 49128), (16376, 38967), (16554, 38548), (17112, 37291), (19274, 33108), (22072, 28911), (24564, 25978)]