661314860635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{3200401}}^1$

素因数の和:3200464

約数の個数: 48

約数和(自身を含む): 990383601312

約数和(自身を除く): 329068740677

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 289, 715, 935, 1105, 1445, 2431, 3179, 3757, 12155, 15895, 18785, 41327, 206635, 3200401, 16002005, 35204411, 41605213, 54406817, 176022055, 208026065, 272034085, 457657343, 598474987, 707288621, 924915889, 2288286715, 2992374935, 3536443105, 4624579445, 7780174831, 10174074779, 12023906557, 38900874155, 50870373895, 60119532785, 132262972127, 661314860635]

約数ペア:

[(1, 661314860635), (5, 132262972127), (11, 60119532785), (13, 50870373895), (17, 38900874155), (55, 12023906557), (65, 10174074779), (85, 7780174831), (143, 4624579445), (187, 3536443105), (221, 2992374935), (289, 2288286715), (715, 924915889), (935, 707288621), (1105, 598474987), (1445, 457657343), (2431, 272034085), (3179, 208026065), (3757, 176022055), (12155, 54406817), (15895, 41605213), (18785, 35204411), (41327, 16002005), (206635, 3200401)]