656940190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{20047}}^1$

素因数の和:20196

約数の個数: 32

約数和(自身を含む): 1234154880

約数和(自身を除く): 577214690

約数列:

[1, 2, 5, 10, 29, 58, 113, 145, 226, 290, 565, 1130, 3277, 6554, 16385, 20047, 32770, 40094, 100235, 200470, 581363, 1162726, 2265311, 2906815, 4530622, 5813630, 11326555, 22653110, 65694019, 131388038, 328470095, 656940190]

約数ペア:

[(1, 656940190), (2, 328470095), (5, 131388038), (10, 65694019), (29, 22653110), (58, 11326555), (113, 5813630), (145, 4530622), (226, 2906815), (290, 2265311), (565, 1162726), (1130, 581363), (3277, 200470), (6554, 100235), (16385, 40094), (20047, 32770)]