28648655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 42145920

約数和(自身を除く): 13497265

約数列:

[1, 5, 7, 17, 35, 85, 89, 119, 445, 541, 595, 623, 1513, 2705, 3115, 3787, 7565, 9197, 10591, 18935, 45985, 48149, 52955, 64379, 240745, 321895, 337043, 818533, 1685215, 4092665, 5729731, 28648655]

約数ペア:

[(1, 28648655), (5, 5729731), (7, 4092665), (17, 1685215), (35, 818533), (85, 337043), (89, 321895), (119, 240745), (445, 64379), (541, 52955), (595, 48149), (623, 45985), (1513, 18935), (2705, 10591), (3115, 9197), (3787, 7565)]