399528026884

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{180618457}}^1$

素因数の和:180618547

約数の個数: 24

約数和(自身を含む): 809170691840

約数和(自身を除く): 409642664956

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 180618457, 361236914, 722473828, 1264329199, 2528658398, 5057316796, 14268858103, 28537716206, 57075432412, 99882006721, 199764013442, 399528026884]

約数ペア:

[(1, 399528026884), (2, 199764013442), (4, 99882006721), (7, 57075432412), (14, 28537716206), (28, 14268858103), (79, 5057316796), (158, 2528658398), (316, 1264329199), (553, 722473828), (1106, 361236914), (2212, 180618457)]