398314618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{27211}}^1$

素因数の和:27789

約数の個数: 16

約数和(自身を含む): 644597856

約数和(自身を除く): 246283238

約数列:

[1, 2, 13, 26, 563, 1126, 7319, 14638, 27211, 54422, 353743, 707486, 15319793, 30639586, 199157309, 398314618]

約数ペア:

[(1, 398314618), (2, 199157309), (13, 30639586), (26, 15319793), (563, 707486), (1126, 353743), (7319, 54422), (14638, 27211)]