15567890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3914

約数の個数: 32

約数和(自身を含む): 31159296

約数和(自身を除く): 15591406

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 3863, 4030, 7726, 19315, 38630, 50219, 100438, 119753, 239506, 251095, 502190, 598765, 1197530, 1556789, 3113578, 7783945, 15567890]

約数ペア:

[(1, 15567890), (2, 7783945), (5, 3113578), (10, 1556789), (13, 1197530), (26, 598765), (31, 502190), (62, 251095), (65, 239506), (130, 119753), (155, 100438), (310, 50219), (403, 38630), (806, 19315), (2015, 7726), (3863, 4030)]