289487510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1\times {\mathrm{1709}}^1$

素因数の和:3032

約数の個数: 32

約数和(自身を含む): 561919680

約数和(自身を除く): 272432170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1303, 1709, 2606, 3418, 6515, 8545, 13030, 16939, 17090, 22217, 33878, 44434, 84695, 111085, 169390, 222170, 2226827, 4453654, 11134135, 22268270, 28948751, 57897502, 144743755, 289487510]

約数ペア:

[(1, 289487510), (2, 144743755), (5, 57897502), (10, 28948751), (13, 22268270), (26, 11134135), (65, 4453654), (130, 2226827), (1303, 222170), (1709, 169390), (2606, 111085), (3418, 84695), (6515, 44434), (8545, 33878), (13030, 22217), (16939, 17090)]