289319810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{3527}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 561883392

約数和(自身を除く): 272563582

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 631, 1262, 3155, 3527, 6310, 7054, 8203, 16406, 17635, 35270, 41015, 45851, 82030, 91702, 229255, 458510, 2225537, 4451074, 11127685, 22255370, 28931981, 57863962, 144659905, 289319810]

約数ペア:

[(1, 289319810), (2, 144659905), (5, 57863962), (10, 28931981), (13, 22255370), (26, 11127685), (65, 4451074), (130, 2225537), (631, 458510), (1262, 229255), (3155, 91702), (3527, 82030), (6310, 45851), (7054, 41015), (8203, 35270), (16406, 17635)]