391717456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1883257}}^1$

素因数の和:1883278

約数の個数: 20

約数和(自身を含む): 817333972

約数和(自身を除く): 425616516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1883257, 3766514, 7533028, 15066056, 24482341, 30132112, 48964682, 97929364, 195858728, 391717456]

約数ペア:

[(1, 391717456), (2, 195858728), (4, 97929364), (8, 48964682), (13, 30132112), (16, 24482341), (26, 15066056), (52, 7533028), (104, 3766514), (208, 1883257)]