25657315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 8614685

約数列:

[1, 5, 19, 29, 67, 95, 139, 145, 335, 551, 695, 1273, 1943, 2641, 2755, 4031, 6365, 9313, 9715, 13205, 20155, 36917, 46565, 76589, 176947, 184585, 270077, 382945, 884735, 1350385, 5131463, 25657315]

約数ペア:

[(1, 25657315), (5, 5131463), (19, 1350385), (29, 884735), (67, 382945), (95, 270077), (139, 184585), (145, 176947), (335, 76589), (551, 46565), (695, 36917), (1273, 20155), (1943, 13205), (2641, 9715), (2755, 9313), (4031, 6365)]