87681308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 195084288

約数和(自身を除く): 107402980

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 71, 127, 142, 143, 187, 221, 254, 284, 286, 374, 442, 508, 572, 748, 781, 884, 923, 1207, 1397, 1562, 1651, 1846, 2159, 2414, 2431, 2794, 3124, 3302, 3692, 4318, 4828, 4862, 5588, 6604, 8636, 9017, 9724, 10153, 13277, 15691, 18034, 18161, 20306, 23749, 26554, 28067, 31382, 36068, 36322, 40612, 47498, 53108, 56134, 62764, 72644, 94996, 99187, 112268, 117221, 153289, 172601, 198374, 234442, 306578, 308737, 345202, 396748, 468884, 613156, 617474, 690404, 1234948, 1289431, 1686179, 1992757, 2578862, 3372358, 3985514, 5157724, 6744716, 7971028, 21920327, 43840654, 87681308]

約数ペア:

[(1, 87681308), (2, 43840654), (4, 21920327), (11, 7971028), (13, 6744716), (17, 5157724), (22, 3985514), (26, 3372358), (34, 2578862), (44, 1992757), (52, 1686179), (68, 1289431), (71, 1234948), (127, 690404), (142, 617474), (143, 613156), (187, 468884), (221, 396748), (254, 345202), (284, 308737), (286, 306578), (374, 234442), (442, 198374), (508, 172601), (572, 153289), (748, 117221), (781, 112268), (884, 99187), (923, 94996), (1207, 72644), (1397, 62764), (1562, 56134), (1651, 53108), (1846, 47498), (2159, 40612), (2414, 36322), (2431, 36068), (2794, 31382), (3124, 28067), (3302, 26554), (3692, 23749), (4318, 20306), (4828, 18161), (4862, 18034), (5588, 15691), (6604, 13277), (8636, 10153), (9017, 9724)]