1247320618

素因数分解:

$2^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1\times {\mathrm{4363}}^1$

素因数の和:5229

約数の個数: 16

約数和(自身を含む): 1882734336

約数和(自身を除く): 635413718

約数列:

[1, 2, 223, 446, 641, 1282, 4363, 8726, 142943, 285886, 972949, 1945898, 2796683, 5593366, 623660309, 1247320618]

約数ペア:

[(1, 1247320618), (2, 623660309), (223, 5593366), (446, 2796683), (641, 1945898), (1282, 972949), (4363, 285886), (8726, 142943)]