86770775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 135657984

約数和(自身を除く): 48887209

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 301, 325, 455, 559, 887, 1075, 1505, 2275, 2795, 3913, 4435, 6209, 7525, 11531, 13975, 19565, 22175, 31045, 38141, 57655, 80717, 97825, 155225, 190705, 266987, 288275, 403585, 495833, 953525, 1334935, 2017925, 2479165, 3470831, 6674675, 12395825, 17354155, 86770775]

約数ペア:

[(1, 86770775), (5, 17354155), (7, 12395825), (13, 6674675), (25, 3470831), (35, 2479165), (43, 2017925), (65, 1334935), (91, 953525), (175, 495833), (215, 403585), (301, 288275), (325, 266987), (455, 190705), (559, 155225), (887, 97825), (1075, 80717), (1505, 57655), (2275, 38141), (2795, 31045), (3913, 22175), (4435, 19565), (6209, 13975), (7525, 11531)]