71223985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 103034880

約数和(自身を除く): 31810895

約数列:

[1, 5, 7, 23, 35, 103, 115, 161, 515, 721, 805, 859, 2369, 3605, 4295, 6013, 11845, 16583, 19757, 30065, 82915, 88477, 98785, 138299, 442385, 619339, 691495, 2034971, 3096695, 10174855, 14244797, 71223985]

約数ペア:

[(1, 71223985), (5, 14244797), (7, 10174855), (23, 3096695), (35, 2034971), (103, 691495), (115, 619339), (161, 442385), (515, 138299), (721, 98785), (805, 88477), (859, 82915), (2369, 30065), (3605, 19757), (4295, 16583), (6013, 11845)]