395819728

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{405553}}^1$

素因数の和:405622

約数の個数: 20

約数和(自身を含む): 779474788

約数和(自身を除く): 383655060

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 405553, 811106, 1622212, 3244424, 6488848, 24738733, 49477466, 98954932, 197909864, 395819728]

約数ペア:

[(1, 395819728), (2, 197909864), (4, 98954932), (8, 49477466), (16, 24738733), (61, 6488848), (122, 3244424), (244, 1622212), (488, 811106), (976, 405553)]