218978044

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{3919}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 391294400

約数和(自身を除く): 172316356

約数列:

[1, 2, 4, 61, 122, 229, 244, 458, 916, 3919, 7838, 13969, 15676, 27938, 55876, 239059, 478118, 897451, 956236, 1794902, 3589804, 54744511, 109489022, 218978044]

約数ペア:

[(1, 218978044), (2, 109489022), (4, 54744511), (61, 3589804), (122, 1794902), (229, 956236), (244, 897451), (458, 478118), (916, 239059), (3919, 55876), (7838, 27938), (13969, 15676)]