65402975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 93744000

約数和(自身を除く): 28341025

約数列:

[1, 5, 11, 25, 29, 55, 59, 139, 145, 275, 295, 319, 649, 695, 725, 1475, 1529, 1595, 1711, 3245, 3475, 4031, 7645, 7975, 8201, 8555, 16225, 18821, 20155, 38225, 41005, 42775, 44341, 90211, 94105, 100775, 205025, 221705, 237829, 451055, 470525, 1108525, 1189145, 2255275, 2616119, 5945725, 13080595, 65402975]

約数ペア:

[(1, 65402975), (5, 13080595), (11, 5945725), (25, 2616119), (29, 2255275), (55, 1189145), (59, 1108525), (139, 470525), (145, 451055), (275, 237829), (295, 221705), (319, 205025), (649, 100775), (695, 94105), (725, 90211), (1475, 44341), (1529, 42775), (1595, 41005), (1711, 38225), (3245, 20155), (3475, 18821), (4031, 16225), (7645, 8555), (7975, 8201)]