207979945

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{1151}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 253808640

約数和(自身を除く): 45828695

約数列:

[1, 5, 71, 355, 509, 1151, 2545, 5755, 36139, 81721, 180695, 408605, 585859, 2929295, 41595989, 207979945]

約数ペア:

[(1, 207979945), (5, 41595989), (71, 2929295), (355, 585859), (509, 408605), (1151, 180695), (2545, 81721), (5755, 36139)]