220979332

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{129379}}^1$

素因数の和:129451

約数の個数: 24

約数和(自身を含む): 449207360

約数和(自身を除く): 228228028

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 129379, 258758, 517516, 905653, 1811306, 3622612, 7892119, 15784238, 31568476, 55244833, 110489666, 220979332]

約数ペア:

[(1, 220979332), (2, 110489666), (4, 55244833), (7, 31568476), (14, 15784238), (28, 7892119), (61, 3622612), (122, 1811306), (244, 905653), (427, 517516), (854, 258758), (1708, 129379)]