68664489

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 98824320

約数和(自身を除く): 30159831

約数列:

[1, 3, 29, 37, 83, 87, 111, 249, 257, 771, 1073, 2407, 3071, 3219, 7221, 7453, 9213, 9509, 21331, 22359, 28527, 63993, 89059, 267177, 275761, 618599, 789247, 827283, 1855797, 2367741, 22888163, 68664489]

約数ペア:

[(1, 68664489), (3, 22888163), (29, 2367741), (37, 1855797), (83, 827283), (87, 789247), (111, 618599), (249, 275761), (257, 267177), (771, 89059), (1073, 63993), (2407, 28527), (3071, 22359), (3219, 21331), (7221, 9509), (7453, 9213)]