25485251

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2090

約数の個数: 16

約数和(自身を含む): 29760000

約数和(自身を除く): 4274749

約数列:

[1, 11, 19, 61, 209, 671, 1159, 1999, 12749, 21989, 37981, 121939, 417791, 1341329, 2316841, 25485251]

約数ペア:

[(1, 25485251), (11, 2316841), (19, 1341329), (61, 417791), (209, 121939), (671, 37981), (1159, 21989), (1999, 12749)]