687463790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5433

約数の個数: 64

約数和(自身を含む): 1423166976

約数和(自身を除く): 735703186

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 215, 230, 299, 430, 559, 598, 989, 1118, 1495, 1978, 2795, 2990, 4945, 5347, 5590, 9890, 10694, 12857, 25714, 26735, 53470, 64285, 69511, 122981, 128570, 139022, 229921, 245962, 347555, 459842, 614905, 695110, 1149605, 1229810, 1598753, 2299210, 2988973, 3197506, 5288183, 5977946, 7993765, 10576366, 14944865, 15987530, 26440915, 29889730, 52881830, 68746379, 137492758, 343731895, 687463790]

約数ペア:

[(1, 687463790), (2, 343731895), (5, 137492758), (10, 68746379), (13, 52881830), (23, 29889730), (26, 26440915), (43, 15987530), (46, 14944865), (65, 10576366), (86, 7993765), (115, 5977946), (130, 5288183), (215, 3197506), (230, 2988973), (299, 2299210), (430, 1598753), (559, 1229810), (598, 1149605), (989, 695110), (1118, 614905), (1495, 459842), (1978, 347555), (2795, 245962), (2990, 229921), (4945, 139022), (5347, 128570), (5590, 122981), (9890, 69511), (10694, 64285), (12857, 53470), (25714, 26735)]