447449470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{264763}}^1$

素因数の和:264796

約数の個数: 24

約数和(自身を含む): 872132616

約数和(自身を除く): 424683146

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 264763, 529526, 1323815, 2647630, 3441919, 6883838, 17209595, 34419190, 44744947, 89489894, 223724735, 447449470]

約数ペア:

[(1, 447449470), (2, 223724735), (5, 89489894), (10, 44744947), (13, 34419190), (26, 17209595), (65, 6883838), (130, 3441919), (169, 2647630), (338, 1323815), (845, 529526), (1690, 264763)]