85457855

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 122634240

約数和(自身を除く): 37176385

約数列:

[1, 5, 7, 31, 35, 79, 155, 217, 395, 553, 997, 1085, 2449, 2765, 4985, 6979, 12245, 17143, 30907, 34895, 78763, 85715, 154535, 216349, 393815, 551341, 1081745, 2441653, 2756705, 12208265, 17091571, 85457855]

約数ペア:

[(1, 85457855), (5, 17091571), (7, 12208265), (31, 2756705), (35, 2441653), (79, 1081745), (155, 551341), (217, 393815), (395, 216349), (553, 154535), (997, 85715), (1085, 78763), (2449, 34895), (2765, 30907), (4985, 17143), (6979, 12245)]