686604490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{480143}}^1$

素因数の和:480174

約数の個数: 32

約数和(自身を含む): 1451955456

約数和(自身を除く): 765350966

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 480143, 960286, 2400715, 4801430, 5281573, 6241859, 10563146, 12483718, 26407865, 31209295, 52815730, 62418590, 68660449, 137320898, 343302245, 686604490]

約数ペア:

[(1, 686604490), (2, 343302245), (5, 137320898), (10, 68660449), (11, 62418590), (13, 52815730), (22, 31209295), (26, 26407865), (55, 12483718), (65, 10563146), (110, 6241859), (130, 5281573), (143, 4801430), (286, 2400715), (715, 960286), (1430, 480143)]