1297599488

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1089

約数の個数: 88

約数和(自身を含む): 2745665664

約数和(自身を除く): 1448066176

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 256, 328, 496, 512, 656, 992, 997, 1024, 1271, 1312, 1984, 1994, 2542, 2624, 3968, 3988, 5084, 5248, 7936, 7976, 10168, 10496, 15872, 15952, 20336, 20992, 30907, 31744, 31904, 40672, 40877, 41984, 61814, 63808, 81344, 81754, 123628, 127616, 162688, 163508, 247256, 255232, 325376, 327016, 494512, 510464, 650752, 654032, 989024, 1020928, 1267187, 1301504, 1308064, 1978048, 2534374, 2616128, 3956096, 5068748, 5232256, 7912192, 10137496, 10464512, 15824384, 20274992, 20929024, 31648768, 40549984, 41858048, 81099968, 162199936, 324399872, 648799744, 1297599488]

約数ペア:

[(1, 1297599488), (2, 648799744), (4, 324399872), (8, 162199936), (16, 81099968), (31, 41858048), (32, 40549984), (41, 31648768), (62, 20929024), (64, 20274992), (82, 15824384), (124, 10464512), (128, 10137496), (164, 7912192), (248, 5232256), (256, 5068748), (328, 3956096), (496, 2616128), (512, 2534374), (656, 1978048), (992, 1308064), (997, 1301504), (1024, 1267187), (1271, 1020928), (1312, 989024), (1984, 654032), (1994, 650752), (2542, 510464), (2624, 494512), (3968, 327016), (3988, 325376), (5084, 255232), (5248, 247256), (7936, 163508), (7976, 162688), (10168, 127616), (10496, 123628), (15872, 81754), (15952, 81344), (20336, 63808), (20992, 61814), (30907, 41984), (31744, 40877), (31904, 40672)]