9957142

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 24

約数和(自身を含む): 16404120

約数和(自身を除く): 6446978

約数列:

[1, 2, 13, 26, 89, 169, 178, 331, 338, 662, 1157, 2314, 4303, 8606, 15041, 29459, 30082, 55939, 58918, 111878, 382967, 765934, 4978571, 9957142]

約数ペア:

[(1, 9957142), (2, 4978571), (13, 765934), (26, 382967), (89, 111878), (169, 58918), (178, 55939), (331, 30082), (338, 29459), (662, 15041), (1157, 8606), (2314, 4303)]