71638786

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1\times {\mathrm{677}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 108623736

約数和(自身を除く): 36984950

約数列:

[1, 2, 157, 314, 337, 674, 677, 1354, 52909, 105818, 106289, 212578, 228149, 456298, 35819393, 71638786]

約数ペア:

[(1, 71638786), (2, 35819393), (157, 456298), (314, 228149), (337, 212578), (674, 106289), (677, 105818), (1354, 52909)]