393874728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1262419}}^1$

素因数の和:1262441

約数の個数: 32

約数和(自身を含む): 1060432800

約数和(自身を除く): 666558072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1262419, 2524838, 3787257, 5049676, 7574514, 10099352, 15149028, 16411447, 30298056, 32822894, 49234341, 65645788, 98468682, 131291576, 196937364, 393874728]

約数ペア:

[(1, 393874728), (2, 196937364), (3, 131291576), (4, 98468682), (6, 65645788), (8, 49234341), (12, 32822894), (13, 30298056), (24, 16411447), (26, 15149028), (39, 10099352), (52, 7574514), (78, 5049676), (104, 3787257), (156, 2524838), (312, 1262419)]