2190901690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12887657}}^1$

素因数の和:12887681

約数の個数: 16

約数和(自身を含む): 4175601192

約数和(自身を除く): 1984699502

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 12887657, 25775314, 64438285, 128876570, 219090169, 438180338, 1095450845, 2190901690]

約数ペア:

[(1, 2190901690), (2, 1095450845), (5, 438180338), (10, 219090169), (17, 128876570), (34, 64438285), (85, 25775314), (170, 12887657)]