161657090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{6977}}^1$

素因数の和:7322

約数の個数: 32

約数和(自身を含む): 333604224

約数和(自身を除く): 171947134

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 331, 662, 1655, 2317, 3310, 4634, 6977, 11585, 13954, 23170, 34885, 48839, 69770, 97678, 244195, 488390, 2309387, 4618774, 11546935, 16165709, 23093870, 32331418, 80828545, 161657090]

約数ペア:

[(1, 161657090), (2, 80828545), (5, 32331418), (7, 23093870), (10, 16165709), (14, 11546935), (35, 4618774), (70, 2309387), (331, 488390), (662, 244195), (1655, 97678), (2317, 69770), (3310, 48839), (4634, 34885), (6977, 23170), (11585, 13954)]