409874171

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{204019}}^1$

素因数の和:204074

約数の個数: 12

約数和(自身を含む): 488423880

約数和(自身を除く): 78549709

約数列:

[1, 7, 41, 49, 287, 2009, 204019, 1428133, 8364779, 9996931, 58553453, 409874171]

約数ペア:

[(1, 409874171), (7, 58553453), (41, 9996931), (49, 8364779), (287, 1428133), (2009, 204019)]