28405008

素因数分解:

$2^4\times 3^2\times {\mathrm{197257}}^1$

素因数の和:197271

約数の個数: 30

約数和(自身を含む): 79494974

約数和(自身を除く): 51089966

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 197257, 394514, 591771, 789028, 1183542, 1578056, 1775313, 2367084, 3156112, 3550626, 4734168, 7101252, 9468336, 14202504, 28405008]

約数ペア:

[(1, 28405008), (2, 14202504), (3, 9468336), (4, 7101252), (6, 4734168), (8, 3550626), (9, 3156112), (12, 2367084), (16, 1775313), (18, 1578056), (24, 1183542), (36, 789028), (48, 591771), (72, 394514), (144, 197257)]