1639231672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1796

約数の個数: 64

約数和(自身を含む): 3380428800

約数和(自身を除く): 1741197128

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 127, 158, 254, 316, 508, 632, 1016, 1027, 1571, 1651, 2054, 3142, 3302, 4108, 6284, 6604, 8216, 10033, 12568, 13208, 20066, 20423, 40132, 40846, 80264, 81692, 124109, 130429, 163384, 199517, 248218, 260858, 399034, 496436, 521716, 798068, 992872, 1043432, 1596136, 1613417, 2593721, 3226834, 5187442, 6453668, 10374884, 12907336, 15761843, 20749768, 31523686, 63047372, 126094744, 204903959, 409807918, 819615836, 1639231672]

約数ペア:

[(1, 1639231672), (2, 819615836), (4, 409807918), (8, 204903959), (13, 126094744), (26, 63047372), (52, 31523686), (79, 20749768), (104, 15761843), (127, 12907336), (158, 10374884), (254, 6453668), (316, 5187442), (508, 3226834), (632, 2593721), (1016, 1613417), (1027, 1596136), (1571, 1043432), (1651, 992872), (2054, 798068), (3142, 521716), (3302, 496436), (4108, 399034), (6284, 260858), (6604, 248218), (8216, 199517), (10033, 163384), (12568, 130429), (13208, 124109), (20066, 81692), (20423, 80264), (40132, 40846)]