28679255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 40875840

約数和(自身を除く): 12196585

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 407, 629, 829, 935, 2035, 3145, 4145, 6919, 9119, 14093, 30673, 34595, 45595, 70465, 153365, 155023, 337403, 521441, 775115, 1687015, 2607205, 5735851, 28679255]

約数ペア:

[(1, 28679255), (5, 5735851), (11, 2607205), (17, 1687015), (37, 775115), (55, 521441), (85, 337403), (185, 155023), (187, 153365), (407, 70465), (629, 45595), (829, 34595), (935, 30673), (2035, 14093), (3145, 9119), (4145, 6919)]