15977405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 19958400

約数和(自身を除く): 3980995

約数列:

[1, 5, 29, 145, 251, 439, 1255, 2195, 7279, 12731, 36395, 63655, 110189, 550945, 3195481, 15977405]

約数ペア:

[(1, 15977405), (5, 3195481), (29, 550945), (145, 110189), (251, 63655), (439, 36395), (1255, 12731), (2195, 7279)]