201580816

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{213539}}^1$

素因数の和:213606

約数の個数: 20

約数和(自身を含む): 397184400

約数和(自身を除く): 195603584

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 213539, 427078, 854156, 1708312, 3416624, 12598801, 25197602, 50395204, 100790408, 201580816]

約数ペア:

[(1, 201580816), (2, 100790408), (4, 50395204), (8, 25197602), (16, 12598801), (59, 3416624), (118, 1708312), (236, 854156), (472, 427078), (944, 213539)]