1404738128

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{225697}}^1$

素因数の和:226094

約数の個数: 20

約数和(自身を含む): 2728688820

約数和(自身を除く): 1323950692

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 225697, 451394, 902788, 1805576, 3611152, 87796133, 175592266, 351184532, 702369064, 1404738128]

約数ペア:

[(1, 1404738128), (2, 702369064), (4, 351184532), (8, 175592266), (16, 87796133), (389, 3611152), (778, 1805576), (1556, 902788), (3112, 451394), (6224, 225697)]