681071405495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3119}}^1\times {\mathrm{81937}}^1$

素因数の和:85115

約数の個数: 32

約数和(自身を含む): 901921063680

約数和(自身を除く): 220849658185

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 3119, 15595, 40547, 81937, 127879, 202735, 409685, 639395, 1065181, 1662427, 3359417, 5325905, 8312135, 16797085, 43672421, 218362105, 255561503, 1277807515, 3322299539, 10478021623, 16611497695, 52390108115, 136214281099, 681071405495]

約数ペア:

[(1, 681071405495), (5, 136214281099), (13, 52390108115), (41, 16611497695), (65, 10478021623), (205, 3322299539), (533, 1277807515), (2665, 255561503), (3119, 218362105), (15595, 43672421), (40547, 16797085), (81937, 8312135), (127879, 5325905), (202735, 3359417), (409685, 1662427), (639395, 1065181)]