1291362730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{18448039}}^1$

素因数の和:18448053

約数の個数: 16

約数和(自身を含む): 2656517760

約数和(自身を除く): 1365155030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 18448039, 36896078, 92240195, 129136273, 184480390, 258272546, 645681365, 1291362730]

約数ペア:

[(1, 1291362730), (2, 645681365), (5, 258272546), (7, 184480390), (10, 129136273), (14, 92240195), (35, 36896078), (70, 18448039)]