12540268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{691}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 23735600

約数和(自身を除く): 11195332

約数列:

[1, 2, 4, 13, 26, 52, 349, 691, 698, 1382, 1396, 2764, 4537, 8983, 9074, 17966, 18148, 35932, 241159, 482318, 964636, 3135067, 6270134, 12540268]

約数ペア:

[(1, 12540268), (2, 6270134), (4, 3135067), (13, 964636), (26, 482318), (52, 241159), (349, 35932), (691, 18148), (698, 17966), (1382, 9074), (1396, 8983), (2764, 4537)]