256585017

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1\times {\mathrm{4019}}^1$

素因数の和:5672

約数の個数: 16

約数和(自身を含む): 368746560

約数和(自身を除く): 112161543

約数列:

[1, 3, 13, 39, 1637, 4019, 4911, 12057, 21281, 52247, 63843, 156741, 6579103, 19737309, 85528339, 256585017]

約数ペア:

[(1, 256585017), (3, 85528339), (13, 19737309), (39, 6579103), (1637, 156741), (4019, 63843), (4911, 52247), (12057, 21281)]