1289432848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{236333}}^1$

素因数の和:236383

約数の個数: 40

約数和(自身を含む): 2813319936

約数和(自身を除く): 1523887088

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 236333, 472666, 945332, 1890664, 2599663, 3781328, 5199326, 7326323, 10398652, 14652646, 20797304, 29305292, 41594608, 58610584, 80589553, 117221168, 161179106, 322358212, 644716424, 1289432848]

約数ペア:

[(1, 1289432848), (2, 644716424), (4, 322358212), (8, 161179106), (11, 117221168), (16, 80589553), (22, 58610584), (31, 41594608), (44, 29305292), (62, 20797304), (88, 14652646), (124, 10398652), (176, 7326323), (248, 5199326), (341, 3781328), (496, 2599663), (682, 1890664), (1364, 945332), (2728, 472666), (5456, 236333)]