128164595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 175721280

約数和(自身を除く): 47556685

約数列:

[1, 5, 13, 19, 65, 95, 157, 247, 661, 785, 1235, 2041, 2983, 3305, 8593, 10205, 12559, 14915, 38779, 42965, 62795, 103777, 163267, 193895, 518885, 816335, 1349101, 1971763, 6745505, 9858815, 25632919, 128164595]

約数ペア:

[(1, 128164595), (5, 25632919), (13, 9858815), (19, 6745505), (65, 1971763), (95, 1349101), (157, 816335), (247, 518885), (661, 193895), (785, 163267), (1235, 103777), (2041, 62795), (2983, 42965), (3305, 38779), (8593, 14915), (10205, 12559)]