81219450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41651}}^1$

素因数の和:41679

約数の個数: 48

約数和(自身を含む): 216923616

約数和(自身を除く): 135704166

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 41651, 83302, 124953, 208255, 249906, 416510, 541463, 624765, 1041275, 1082926, 1249530, 1624389, 2082550, 2707315, 3123825, 3248778, 5414630, 6247650, 8121945, 13536575, 16243890, 27073150, 40609725, 81219450]

約数ペア:

[(1, 81219450), (2, 40609725), (3, 27073150), (5, 16243890), (6, 13536575), (10, 8121945), (13, 6247650), (15, 5414630), (25, 3248778), (26, 3123825), (30, 2707315), (39, 2082550), (50, 1624389), (65, 1249530), (75, 1082926), (78, 1041275), (130, 624765), (150, 541463), (195, 416510), (325, 249906), (390, 208255), (650, 124953), (975, 83302), (1950, 41651)]