64689436

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74527}}^1$

素因数の和:74569

約数の個数: 24

約数和(自身を含む): 133554176

約数和(自身を除く): 68864740

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 74527, 149054, 298108, 521689, 1043378, 2086756, 2310337, 4620674, 9241348, 16172359, 32344718, 64689436]

約数ペア:

[(1, 64689436), (2, 32344718), (4, 16172359), (7, 9241348), (14, 4620674), (28, 2310337), (31, 2086756), (62, 1043378), (124, 521689), (217, 298108), (434, 149054), (868, 74527)]