645902288

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{337}}^1\times {\mathrm{1163}}^1$

素因数の和:1611

約数の個数: 40

約数和(自身を含む): 1268424768

約数和(自身を除く): 622522480

約数列:

[1, 2, 4, 8, 16, 103, 206, 337, 412, 674, 824, 1163, 1348, 1648, 2326, 2696, 4652, 5392, 9304, 18608, 34711, 69422, 119789, 138844, 239578, 277688, 391931, 479156, 555376, 783862, 958312, 1567724, 1916624, 3135448, 6270896, 40368893, 80737786, 161475572, 322951144, 645902288]

約数ペア:

[(1, 645902288), (2, 322951144), (4, 161475572), (8, 80737786), (16, 40368893), (103, 6270896), (206, 3135448), (337, 1916624), (412, 1567724), (674, 958312), (824, 783862), (1163, 555376), (1348, 479156), (1648, 391931), (2326, 277688), (2696, 239578), (4652, 138844), (5392, 119789), (9304, 69422), (18608, 34711)]