71048816

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{40739}}^1$

素因数の和:40856

約数の個数: 20

約数和(自身を含む): 138923400

約数和(自身を除く): 67874584

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 40739, 81478, 162956, 325912, 651824, 4440551, 8881102, 17762204, 35524408, 71048816]

約数ペア:

[(1, 71048816), (2, 35524408), (4, 17762204), (8, 8881102), (16, 4440551), (109, 651824), (218, 325912), (436, 162956), (872, 81478), (1744, 40739)]