12428675

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 19046400

約数和(自身を除く): 6617725

約数列:

[1, 5, 7, 25, 29, 31, 35, 79, 145, 155, 175, 203, 217, 395, 553, 725, 775, 899, 1015, 1085, 1975, 2291, 2449, 2765, 4495, 5075, 5425, 6293, 11455, 12245, 13825, 16037, 17143, 22475, 31465, 57275, 61225, 71021, 80185, 85715, 157325, 355105, 400925, 428575, 497147, 1775525, 2485735, 12428675]

約数ペア:

[(1, 12428675), (5, 2485735), (7, 1775525), (25, 497147), (29, 428575), (31, 400925), (35, 355105), (79, 157325), (145, 85715), (155, 80185), (175, 71021), (203, 61225), (217, 57275), (395, 31465), (553, 22475), (725, 17143), (775, 16037), (899, 13825), (1015, 12245), (1085, 11455), (1975, 6293), (2291, 5425), (2449, 5075), (2765, 4495)]