28397875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 40734720

約数和(自身を除く): 12336845

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 1045, 1087, 1375, 2375, 5225, 5435, 11957, 20653, 26125, 27175, 59785, 103265, 135875, 227183, 298925, 516325, 1135915, 1494625, 2581625, 5679575, 28397875]

約数ペア:

[(1, 28397875), (5, 5679575), (11, 2581625), (19, 1494625), (25, 1135915), (55, 516325), (95, 298925), (125, 227183), (209, 135875), (275, 103265), (475, 59785), (1045, 27175), (1087, 26125), (1375, 20653), (2375, 11957), (5225, 5435)]