870858918

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 1961245440

約数和(自身を除く): 1090386522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 307, 393, 401, 614, 786, 802, 921, 1179, 1203, 1842, 2358, 2406, 2763, 3537, 3609, 5526, 7074, 7218, 8289, 10827, 16578, 21654, 40217, 52531, 80434, 105062, 120651, 123107, 157593, 241302, 246214, 315186, 361953, 369321, 472779, 723906, 738642, 945558, 1085859, 1107963, 1418337, 2171718, 2215926, 2836674, 3323889, 6647778, 16127017, 32254034, 48381051, 96762102, 145143153, 290286306, 435429459, 870858918]

約数ペア:

[(1, 870858918), (2, 435429459), (3, 290286306), (6, 145143153), (9, 96762102), (18, 48381051), (27, 32254034), (54, 16127017), (131, 6647778), (262, 3323889), (307, 2836674), (393, 2215926), (401, 2171718), (614, 1418337), (786, 1107963), (802, 1085859), (921, 945558), (1179, 738642), (1203, 723906), (1842, 472779), (2358, 369321), (2406, 361953), (2763, 315186), (3537, 246214), (3609, 241302), (5526, 157593), (7074, 123107), (7218, 120651), (8289, 105062), (10827, 80434), (16578, 52531), (21654, 40217)]