91990135

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1531}}^1$

素因数の和:1794

約数の個数: 16

約数和(自身を含む): 112840992

約数和(自身を除く): 20850857

約数列:

[1, 5, 61, 197, 305, 985, 1531, 7655, 12017, 60085, 93391, 301607, 466955, 1508035, 18398027, 91990135]

約数ペア:

[(1, 91990135), (5, 18398027), (61, 1508035), (197, 466955), (305, 301607), (985, 93391), (1531, 60085), (7655, 12017)]