64722890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{91159}}^1$

素因数の和:91237

約数の個数: 16

約数和(自身を含む): 118143360

約数和(自身を除く): 53420470

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 91159, 182318, 455795, 911590, 6472289, 12944578, 32361445, 64722890]

約数ペア:

[(1, 64722890), (2, 32361445), (5, 12944578), (10, 6472289), (71, 911590), (142, 455795), (355, 182318), (710, 91159)]