2912890045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{2897}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 3894912000

約数和(自身を除く): 982021955

約数列:

[1, 5, 13, 31, 65, 155, 403, 499, 2015, 2495, 2897, 6487, 14485, 15469, 32435, 37661, 77345, 89807, 188305, 201097, 449035, 1005485, 1167491, 1445603, 5837455, 7228015, 18792839, 44813693, 93964195, 224068465, 582578009, 2912890045]

約数ペア:

[(1, 2912890045), (5, 582578009), (13, 224068465), (31, 93964195), (65, 44813693), (155, 18792839), (403, 7228015), (499, 5837455), (2015, 1445603), (2495, 1167491), (2897, 1005485), (6487, 449035), (14485, 201097), (15469, 188305), (32435, 89807), (37661, 77345)]