64217090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2243}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 132485760

約数和(自身を除く): 68268670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2243, 2863, 4090, 4486, 5726, 11215, 14315, 15701, 22430, 28630, 31402, 78505, 157010, 917387, 1834774, 4586935, 6421709, 9173870, 12843418, 32108545, 64217090]

約数ペア:

[(1, 64217090), (2, 32108545), (5, 12843418), (7, 9173870), (10, 6421709), (14, 4586935), (35, 1834774), (70, 917387), (409, 157010), (818, 78505), (2045, 31402), (2243, 28630), (2863, 22430), (4090, 15701), (4486, 14315), (5726, 11215)]