71288978

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1\times {\mathrm{863}}^1$

素因数の和:1369

約数の個数: 16

約数和(自身を含む): 108366336

約数和(自身を除く): 37077358

約数列:

[1, 2, 103, 206, 401, 802, 863, 1726, 41303, 82606, 88889, 177778, 346063, 692126, 35644489, 71288978]

約数ペア:

[(1, 71288978), (2, 35644489), (103, 692126), (206, 346063), (401, 177778), (802, 88889), (863, 82606), (1726, 41303)]