15621028

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{13513}}^1$

素因数の和:13551

約数の個数: 18

約数和(自身を含む): 29041586

約数和(自身を除く): 13420558

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 13513, 27026, 54052, 229721, 459442, 918884, 3905257, 7810514, 15621028]

約数ペア:

[(1, 15621028), (2, 7810514), (4, 3905257), (17, 918884), (34, 459442), (68, 229721), (289, 54052), (578, 27026), (1156, 13513)]