13333090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 24727680

約数和(自身を除く): 11394590

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 211, 355, 422, 445, 710, 890, 1055, 2110, 6319, 12638, 14981, 18779, 29962, 31595, 37558, 63190, 74905, 93895, 149810, 187790, 1333309, 2666618, 6666545, 13333090]

約数ペア:

[(1, 13333090), (2, 6666545), (5, 2666618), (10, 1333309), (71, 187790), (89, 149810), (142, 93895), (178, 74905), (211, 63190), (355, 37558), (422, 31595), (445, 29962), (710, 18779), (890, 14981), (1055, 12638), (2110, 6319)]