85781185

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 122406912

約数和(自身を除く): 36625727

約数列:

[1, 5, 7, 31, 35, 155, 173, 217, 457, 865, 1085, 1211, 2285, 3199, 5363, 6055, 14167, 15995, 26815, 37541, 70835, 79061, 99169, 187705, 395305, 495845, 553427, 2450891, 2767135, 12254455, 17156237, 85781185]

約数ペア:

[(1, 85781185), (5, 17156237), (7, 12254455), (31, 2767135), (35, 2450891), (155, 553427), (173, 495845), (217, 395305), (457, 187705), (865, 99169), (1085, 79061), (1211, 70835), (2285, 37541), (3199, 26815), (5363, 15995), (6055, 14167)]