278541982

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{5449}}^1$

素因数の和:5931

約数の個数: 16

約数和(自身を含む): 425754000

約数和(自身を除く): 147212018

約数列:

[1, 2, 61, 122, 419, 838, 5449, 10898, 25559, 51118, 332389, 664778, 2283131, 4566262, 139270991, 278541982]

約数ペア:

[(1, 278541982), (2, 139270991), (61, 4566262), (122, 2283131), (419, 664778), (838, 332389), (5449, 51118), (10898, 25559)]