90921415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 124742016

約数和(自身を除く): 33820601

約数列:

[1, 5, 13, 23, 61, 65, 115, 299, 305, 793, 997, 1403, 1495, 3965, 4985, 7015, 12961, 18239, 22931, 60817, 64805, 91195, 114655, 298103, 304085, 790621, 1398791, 1490515, 3953105, 6993955, 18184283, 90921415]

約数ペア:

[(1, 90921415), (5, 18184283), (13, 6993955), (23, 3953105), (61, 1490515), (65, 1398791), (115, 790621), (299, 304085), (305, 298103), (793, 114655), (997, 91195), (1403, 64805), (1495, 60817), (3965, 22931), (4985, 18239), (7015, 12961)]