26721721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 30220288

約数和(自身を除く): 3498567

約数列:

[1, 13, 31, 61, 403, 793, 1087, 1891, 14131, 24583, 33697, 66307, 438061, 861991, 2055517, 26721721]

約数ペア:

[(1, 26721721), (13, 2055517), (31, 861991), (61, 438061), (403, 66307), (793, 33697), (1087, 24583), (1891, 14131)]