308220356

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{213449}}^1$

素因数の和:213491

約数の個数: 18

約数和(自身を含む): 569271150

約数和(自身を除く): 261050794

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 213449, 426898, 853796, 4055531, 8111062, 16222124, 77055089, 154110178, 308220356]

約数ペア:

[(1, 308220356), (2, 154110178), (4, 77055089), (19, 16222124), (38, 8111062), (76, 4055531), (361, 853796), (722, 426898), (1444, 213449)]