221424814

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{655103}}^1$

素因数の和:655131

約数の個数: 12

約数和(自身を含む): 359652096

約数和(自身を除く): 138227282

約数列:

[1, 2, 13, 26, 169, 338, 655103, 1310206, 8516339, 17032678, 110712407, 221424814]

約数ペア:

[(1, 221424814), (2, 110712407), (13, 17032678), (26, 8516339), (169, 1310206), (338, 655103)]