51691465

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 74626560

約数和(自身を除く): 22935095

約数列:

[1, 5, 7, 23, 35, 115, 157, 161, 409, 785, 805, 1099, 2045, 2863, 3611, 5495, 9407, 14315, 18055, 25277, 47035, 64213, 65849, 126385, 321065, 329245, 449491, 1476899, 2247455, 7384495, 10338293, 51691465]

約数ペア:

[(1, 51691465), (5, 10338293), (7, 7384495), (23, 2247455), (35, 1476899), (115, 449491), (157, 329245), (161, 321065), (409, 126385), (785, 65849), (805, 64213), (1099, 47035), (2045, 25277), (2863, 18055), (3611, 14315), (5495, 9407)]