28575708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20011}}^1$

素因数の和:20042

約数の個数: 48

約数和(自身を含む): 80688384

約数和(自身を除く): 52112676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 20011, 40022, 60033, 80044, 120066, 140077, 240132, 280154, 340187, 420231, 560308, 680374, 840462, 1020561, 1360748, 1680924, 2041122, 2381309, 4082244, 4762618, 7143927, 9525236, 14287854, 28575708]

約数ペア:

[(1, 28575708), (2, 14287854), (3, 9525236), (4, 7143927), (6, 4762618), (7, 4082244), (12, 2381309), (14, 2041122), (17, 1680924), (21, 1360748), (28, 1020561), (34, 840462), (42, 680374), (51, 560308), (68, 420231), (84, 340187), (102, 280154), (119, 240132), (204, 140077), (238, 120066), (357, 80044), (476, 60033), (714, 40022), (1428, 20011)]