221687438

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{336911}}^1$

素因数の和:336967

約数の個数: 16

約数和(自身を含む): 388122624

約数和(自身を除く): 166435186

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 336911, 673822, 2358377, 4716754, 15834817, 31669634, 110843719, 221687438]

約数ペア:

[(1, 221687438), (2, 110843719), (7, 31669634), (14, 15834817), (47, 4716754), (94, 2358377), (329, 673822), (658, 336911)]