2155838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:571

約数の個数: 16

約数和(自身を含む): 3453840

約数和(自身を除く): 1298002

約数列:

[1, 2, 17, 34, 163, 326, 389, 778, 2771, 5542, 6613, 13226, 63407, 126814, 1077919, 2155838]

約数ペア:

[(1, 2155838), (2, 1077919), (17, 126814), (34, 63407), (163, 13226), (326, 6613), (389, 5542), (778, 2771)]