66643216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{112573}}^1$

素因数の和:112618

約数の個数: 20

約数和(自身を含む): 132612172

約数和(自身を除く): 65968956

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 112573, 225146, 450292, 900584, 1801168, 4165201, 8330402, 16660804, 33321608, 66643216]

約数ペア:

[(1, 66643216), (2, 33321608), (4, 16660804), (8, 8330402), (16, 4165201), (37, 1801168), (74, 900584), (148, 450292), (296, 225146), (592, 112573)]