189007775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{22171}}^1$

素因数の和:22223

約数の個数: 24

約数和(自身を含む): 263935488

約数和(自身を除く): 74927713

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 8525, 22171, 110855, 243881, 554275, 687301, 1219405, 3436505, 6097025, 7560311, 17182525, 37801555, 189007775]

約数ペア:

[(1, 189007775), (5, 37801555), (11, 17182525), (25, 7560311), (31, 6097025), (55, 3436505), (155, 1219405), (275, 687301), (341, 554275), (775, 243881), (1705, 110855), (8525, 22171)]