161970730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{8741}}^1$

素因数の和:8874

約数の個数: 32

約数和(自身を含む): 311564880

約数和(自身を除く): 149594150

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 8741, 9265, 17482, 18530, 43705, 87410, 148597, 297194, 742985, 952769, 1485970, 1905538, 4763845, 9527690, 16197073, 32394146, 80985365, 161970730]

約数ペア:

[(1, 161970730), (2, 80985365), (5, 32394146), (10, 16197073), (17, 9527690), (34, 4763845), (85, 1905538), (109, 1485970), (170, 952769), (218, 742985), (545, 297194), (1090, 148597), (1853, 87410), (3706, 43705), (8741, 18530), (9265, 17482)]