308028721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2423}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 417005568

約数和(自身を除く): 108976847

約数列:

[1, 7, 11, 13, 77, 91, 127, 143, 889, 1001, 1397, 1651, 2423, 9779, 11557, 16961, 18161, 26653, 31499, 127127, 186571, 220493, 307721, 346489, 2154047, 2425423, 3384931, 4000373, 23694517, 28002611, 44004103, 308028721]

約数ペア:

[(1, 308028721), (7, 44004103), (11, 28002611), (13, 23694517), (77, 4000373), (91, 3384931), (127, 2425423), (143, 2154047), (889, 346489), (1001, 307721), (1397, 220493), (1651, 186571), (2423, 127127), (9779, 31499), (11557, 26653), (16961, 18161)]