399159472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{804757}}^1$

素因数の和:804796

約数の個数: 20

約数和(自身を含む): 798319936

約数和(自身を除く): 399160464

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 804757, 1609514, 3219028, 6438056, 12876112, 24947467, 49894934, 99789868, 199579736, 399159472]

約数ペア:

[(1, 399159472), (2, 199579736), (4, 99789868), (8, 49894934), (16, 24947467), (31, 12876112), (62, 6438056), (124, 3219028), (248, 1609514), (496, 804757)]