28646664

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 75168000

約数和(自身を除く): 46521336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 79, 87, 116, 158, 174, 232, 237, 316, 348, 474, 521, 632, 696, 948, 1042, 1563, 1896, 2084, 2291, 3126, 4168, 4582, 6252, 6873, 9164, 12504, 13746, 15109, 18328, 27492, 30218, 41159, 45327, 54984, 60436, 82318, 90654, 120872, 123477, 164636, 181308, 246954, 329272, 362616, 493908, 987816, 1193611, 2387222, 3580833, 4774444, 7161666, 9548888, 14323332, 28646664]

約数ペア:

[(1, 28646664), (2, 14323332), (3, 9548888), (4, 7161666), (6, 4774444), (8, 3580833), (12, 2387222), (24, 1193611), (29, 987816), (58, 493908), (79, 362616), (87, 329272), (116, 246954), (158, 181308), (174, 164636), (232, 123477), (237, 120872), (316, 90654), (348, 82318), (474, 60436), (521, 54984), (632, 45327), (696, 41159), (948, 30218), (1042, 27492), (1563, 18328), (1896, 15109), (2084, 13746), (2291, 12504), (3126, 9164), (4168, 6873), (4582, 6252)]