16564075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 24284160

約数和(自身を除く): 7720085

約数列:

[1, 5, 11, 25, 29, 31, 55, 67, 145, 155, 275, 319, 335, 341, 725, 737, 775, 899, 1595, 1675, 1705, 1943, 2077, 3685, 4495, 7975, 8525, 9715, 9889, 10385, 18425, 21373, 22475, 22847, 48575, 49445, 51925, 60233, 106865, 114235, 247225, 301165, 534325, 571175, 662563, 1505825, 3312815, 16564075]

約数ペア:

[(1, 16564075), (5, 3312815), (11, 1505825), (25, 662563), (29, 571175), (31, 534325), (55, 301165), (67, 247225), (145, 114235), (155, 106865), (275, 60233), (319, 51925), (335, 49445), (341, 48575), (725, 22847), (737, 22475), (775, 21373), (899, 18425), (1595, 10385), (1675, 9889), (1705, 9715), (1943, 8525), (2077, 7975), (3685, 4495)]