1647378434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{162881}}^1$

素因数の和:163285

約数の個数: 16

約数和(自身を含む): 2668007160

約数和(自身を除く): 1020628726

約数列:

[1, 2, 13, 26, 389, 778, 5057, 10114, 162881, 325762, 2117453, 4234906, 63360709, 126721418, 823689217, 1647378434]

約数ペア:

[(1, 1647378434), (2, 823689217), (13, 126721418), (26, 63360709), (389, 4234906), (778, 2117453), (5057, 325762), (10114, 162881)]