65573456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{315257}}^1$

素因数の和:315278

約数の個数: 20

約数和(自身を含む): 136821972

約数和(自身を除く): 71248516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 315257, 630514, 1261028, 2522056, 4098341, 5044112, 8196682, 16393364, 32786728, 65573456]

約数ペア:

[(1, 65573456), (2, 32786728), (4, 16393364), (8, 8196682), (13, 5044112), (16, 4098341), (26, 2522056), (52, 1261028), (104, 630514), (208, 315257)]