891110116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{20873}}^1$

素因数の和:21711

約数の個数: 24

約数和(自身を含む): 1681525944

約数和(自身を除く): 790415828

約数列:

[1, 2, 4, 13, 26, 52, 821, 1642, 3284, 10673, 20873, 21346, 41746, 42692, 83492, 271349, 542698, 1085396, 17136733, 34273466, 68546932, 222777529, 445555058, 891110116]

約数ペア:

[(1, 891110116), (2, 445555058), (4, 222777529), (13, 68546932), (26, 34273466), (52, 17136733), (821, 1085396), (1642, 542698), (3284, 271349), (10673, 83492), (20873, 42692), (21346, 41746)]