64172718

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 142988976

約数和(自身を除く): 78816258

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 137, 159, 274, 318, 411, 477, 491, 822, 954, 982, 1233, 1473, 2466, 2946, 4419, 7261, 8838, 14522, 21783, 26023, 43566, 52046, 65349, 67267, 78069, 130698, 134534, 156138, 201801, 234207, 403602, 468414, 605403, 1210806, 3565151, 7130302, 10695453, 21390906, 32086359, 64172718]

約数ペア:

[(1, 64172718), (2, 32086359), (3, 21390906), (6, 10695453), (9, 7130302), (18, 3565151), (53, 1210806), (106, 605403), (137, 468414), (159, 403602), (274, 234207), (318, 201801), (411, 156138), (477, 134534), (491, 130698), (822, 78069), (954, 67267), (982, 65349), (1233, 52046), (1473, 43566), (2466, 26023), (2946, 21783), (4419, 14522), (7261, 8838)]