25721266

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 39207168

約数和(自身を除く): 13485902

約数列:

[1, 2, 101, 202, 223, 446, 571, 1142, 22523, 45046, 57671, 115342, 127333, 254666, 12860633, 25721266]

約数ペア:

[(1, 25721266), (2, 12860633), (101, 254666), (202, 127333), (223, 115342), (446, 57671), (571, 45046), (1142, 22523)]