81943524

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{563}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 224183232

約数和(自身を除く): 142239708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 311, 468, 563, 622, 933, 1126, 1244, 1689, 1866, 2252, 2799, 3378, 3732, 4043, 5067, 5598, 6756, 7319, 8086, 10134, 11196, 12129, 14638, 16172, 20268, 21957, 24258, 29276, 36387, 43914, 48516, 65871, 72774, 87828, 131742, 145548, 175093, 263484, 350186, 525279, 700372, 1050558, 1575837, 2101116, 2276209, 3151674, 4552418, 6303348, 6828627, 9104836, 13657254, 20485881, 27314508, 40971762, 81943524]

約数ペア:

[(1, 81943524), (2, 40971762), (3, 27314508), (4, 20485881), (6, 13657254), (9, 9104836), (12, 6828627), (13, 6303348), (18, 4552418), (26, 3151674), (36, 2276209), (39, 2101116), (52, 1575837), (78, 1050558), (117, 700372), (156, 525279), (234, 350186), (311, 263484), (468, 175093), (563, 145548), (622, 131742), (933, 87828), (1126, 72774), (1244, 65871), (1689, 48516), (1866, 43914), (2252, 36387), (2799, 29276), (3378, 24258), (3732, 21957), (4043, 20268), (5067, 16172), (5598, 14638), (6756, 12129), (7319, 11196), (8086, 10134)]