31190341

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 9452219

約数列:

[1, 7, 13, 29, 53, 91, 203, 223, 371, 377, 689, 1537, 1561, 2639, 2899, 4823, 6467, 10759, 11819, 19981, 20293, 45269, 82733, 84071, 139867, 153647, 342751, 588497, 1075529, 2399257, 4455763, 31190341]

約数ペア:

[(1, 31190341), (7, 4455763), (13, 2399257), (29, 1075529), (53, 588497), (91, 342751), (203, 153647), (223, 139867), (371, 84071), (377, 82733), (689, 45269), (1537, 20293), (1561, 19981), (2639, 11819), (2899, 10759), (4823, 6467)]