645849290

素因数分解:

$2^1\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{43609}}^1$

素因数の和:45097

約数の個数: 16

約数和(自身を含む): 1163340360

約数和(自身を除く): 517491070

約数列:

[1, 2, 5, 10, 1481, 2962, 7405, 14810, 43609, 87218, 218045, 436090, 64584929, 129169858, 322924645, 645849290]

約数ペア:

[(1, 645849290), (2, 322924645), (5, 129169858), (10, 64584929), (1481, 436090), (2962, 218045), (7405, 87218), (14810, 43609)]