1649528090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{331897}}^1$

素因数の和:331982

約数の個数: 32

約数和(自身を含む): 3441118464

約数和(自身を除く): 1791590374

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 331897, 663794, 1659485, 2323279, 3318970, 4646558, 11616395, 23232790, 23564687, 47129374, 117823435, 164952809, 235646870, 329905618, 824764045, 1649528090]

約数ペア:

[(1, 1649528090), (2, 824764045), (5, 329905618), (7, 235646870), (10, 164952809), (14, 117823435), (35, 47129374), (70, 23564687), (71, 23232790), (142, 11616395), (355, 4646558), (497, 3318970), (710, 2323279), (994, 1659485), (2485, 663794), (4970, 331897)]