409959094

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{20201}}^1$

素因数の和:20415

約数の個数: 16

約数和(自身を含む): 627878160

約数和(自身を除く): 217919066

約数列:

[1, 2, 73, 139, 146, 278, 10147, 20201, 20294, 40402, 1474673, 2807939, 2949346, 5615878, 204979547, 409959094]

約数ペア:

[(1, 409959094), (2, 204979547), (73, 5615878), (139, 2949346), (146, 2807939), (278, 1474673), (10147, 40402), (20201, 20294)]