78393996

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 203911344

約数和(自身を除く): 125517348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 181, 212, 227, 318, 362, 454, 477, 543, 636, 681, 724, 908, 954, 1086, 1362, 1629, 1908, 2043, 2172, 2724, 3258, 4086, 6516, 8172, 9593, 12031, 19186, 24062, 28779, 36093, 38372, 41087, 48124, 57558, 72186, 82174, 86337, 108279, 115116, 123261, 144372, 164348, 172674, 216558, 246522, 345348, 369783, 433116, 493044, 739566, 1479132, 2177611, 4355222, 6532833, 8710444, 13065666, 19598499, 26131332, 39196998, 78393996]

約数ペア:

[(1, 78393996), (2, 39196998), (3, 26131332), (4, 19598499), (6, 13065666), (9, 8710444), (12, 6532833), (18, 4355222), (36, 2177611), (53, 1479132), (106, 739566), (159, 493044), (181, 433116), (212, 369783), (227, 345348), (318, 246522), (362, 216558), (454, 172674), (477, 164348), (543, 144372), (636, 123261), (681, 115116), (724, 108279), (908, 86337), (954, 82174), (1086, 72186), (1362, 57558), (1629, 48124), (1908, 41087), (2043, 38372), (2172, 36093), (2724, 28779), (3258, 24062), (4086, 19186), (6516, 12031), (8172, 9593)]