72718490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1409}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 141417360

約数和(自身を除く): 68698870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 794, 1409, 1985, 2818, 3970, 5161, 7045, 10322, 14090, 18317, 25805, 36634, 51610, 91585, 183170, 559373, 1118746, 2796865, 5593730, 7271849, 14543698, 36359245, 72718490]

約数ペア:

[(1, 72718490), (2, 36359245), (5, 14543698), (10, 7271849), (13, 5593730), (26, 2796865), (65, 1118746), (130, 559373), (397, 183170), (794, 91585), (1409, 51610), (1985, 36634), (2818, 25805), (3970, 18317), (5161, 14090), (7045, 10322)]