1639402045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1\times {\mathrm{21701}}^1$

素因数の和:22256

約数の個数: 16

約数和(自身を含む): 2039119920

約数和(自身を除く): 399717875

約数列:

[1, 5, 29, 145, 521, 2605, 15109, 21701, 75545, 108505, 629329, 3146645, 11306221, 56531105, 327880409, 1639402045]

約数ペア:

[(1, 1639402045), (5, 327880409), (29, 56531105), (145, 11306221), (521, 3146645), (2605, 629329), (15109, 108505), (21701, 75545)]