259490695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 342144000

約数和(自身を除く): 82653305

約数列:

[1, 5, 19, 29, 95, 131, 145, 551, 655, 719, 2489, 2755, 3595, 3799, 12445, 13661, 18995, 20851, 68305, 72181, 94189, 104255, 360905, 396169, 470945, 1789591, 1980845, 2731481, 8947955, 13657405, 51898139, 259490695]

約数ペア:

[(1, 259490695), (5, 51898139), (19, 13657405), (29, 8947955), (95, 2731481), (131, 1980845), (145, 1789591), (551, 470945), (655, 396169), (719, 360905), (2489, 104255), (2755, 94189), (3595, 72181), (3799, 68305), (12445, 20851), (13661, 18995)]