212316221

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43321}}^1$

素因数の和:43376

約数の個数: 12

約数和(自身を含む): 237837780

約数和(自身を除く): 25521559

約数列:

[1, 13, 29, 169, 377, 4901, 43321, 563173, 1256309, 7321249, 16332017, 212316221]

約数ペア:

[(1, 212316221), (13, 16332017), (29, 7321249), (169, 1256309), (377, 563173), (4901, 43321)]