221009768

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{49957}}^1$

素因数の和:50049

約数の個数: 32

約数和(自身を含む): 479596800

約数和(自身を除く): 258587032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 49957, 99914, 199828, 349699, 399656, 699398, 1398796, 2797592, 3946603, 7893206, 15786412, 27626221, 31572824, 55252442, 110504884, 221009768]

約数ペア:

[(1, 221009768), (2, 110504884), (4, 55252442), (7, 31572824), (8, 27626221), (14, 15786412), (28, 7893206), (56, 3946603), (79, 2797592), (158, 1398796), (316, 699398), (553, 399656), (632, 349699), (1106, 199828), (2212, 99914), (4424, 49957)]