26987986

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1629

約数の個数: 16

約数和(自身を含む): 41437080

約数和(自身を除く): 14449094

約数列:

[1, 2, 61, 122, 157, 314, 1409, 2818, 9577, 19154, 85949, 171898, 221213, 442426, 13493993, 26987986]

約数ペア:

[(1, 26987986), (2, 13493993), (61, 442426), (122, 221213), (157, 171898), (314, 85949), (1409, 19154), (2818, 9577)]