64197686

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{20563}}^1$

素因数の和:20795

約数の個数: 16

約数和(自身を含む): 110552064

約数和(自身を除く): 46354378

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 20563, 41126, 143941, 287882, 4585549, 9171098, 32098843, 64197686]

約数ペア:

[(1, 64197686), (2, 32098843), (7, 9171098), (14, 4585549), (223, 287882), (446, 143941), (1561, 41126), (3122, 20563)]