268777655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 352719360

約数和(自身を除く): 83941705

約数列:

[1, 5, 23, 29, 83, 115, 145, 415, 667, 971, 1909, 2407, 3335, 4855, 9545, 12035, 22333, 28159, 55361, 80593, 111665, 140795, 276805, 402965, 647657, 1853639, 2337197, 3238285, 9268195, 11685985, 53755531, 268777655]

約数ペア:

[(1, 268777655), (5, 53755531), (23, 11685985), (29, 9268195), (83, 3238285), (115, 2337197), (145, 1853639), (415, 647657), (667, 402965), (971, 276805), (1909, 140795), (2407, 111665), (3335, 80593), (4855, 55361), (9545, 28159), (12035, 22333)]