1211343755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{10691}}^1$

素因数の和:10787

約数の個数: 32

約数和(自身を含む): 1625868288

約数和(自身を除く): 414524533

約数列:

[1, 5, 17, 31, 43, 85, 155, 215, 527, 731, 1333, 2635, 3655, 6665, 10691, 22661, 53455, 113305, 181747, 331421, 459713, 908735, 1657105, 2298565, 5634157, 7815121, 14251103, 28170785, 39075605, 71255515, 242268751, 1211343755]

約数ペア:

[(1, 1211343755), (5, 242268751), (17, 71255515), (31, 39075605), (43, 28170785), (85, 14251103), (155, 7815121), (215, 5634157), (527, 2298565), (731, 1657105), (1333, 908735), (2635, 459713), (3655, 331421), (6665, 181747), (10691, 113305), (22661, 53455)]