257481458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{430571}}^1$

素因数の和:430609

約数の個数: 16

約数和(自身を含む): 434016576

約数和(自身を除く): 176535118

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 430571, 861142, 5597423, 9903133, 11194846, 19806266, 128740729, 257481458]

約数ペア:

[(1, 257481458), (2, 128740729), (13, 19806266), (23, 11194846), (26, 9903133), (46, 5597423), (299, 861142), (598, 430571)]