64640272

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{467}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 129179232

約数和(自身を除く): 64538960

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 211, 328, 422, 467, 656, 844, 934, 1688, 1868, 3376, 3736, 7472, 8651, 17302, 19147, 34604, 38294, 69208, 76588, 98537, 138416, 153176, 197074, 306352, 394148, 788296, 1576592, 4040017, 8080034, 16160068, 32320136, 64640272]

約数ペア:

[(1, 64640272), (2, 32320136), (4, 16160068), (8, 8080034), (16, 4040017), (41, 1576592), (82, 788296), (164, 394148), (211, 306352), (328, 197074), (422, 153176), (467, 138416), (656, 98537), (844, 76588), (934, 69208), (1688, 38294), (1868, 34604), (3376, 19147), (3736, 17302), (7472, 8651)]