212871175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20921}}^1$

素因数の和:20979

約数の個数: 24

約数和(自身を含む): 295753392

約数和(自身を除く): 82882217

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 10175, 20921, 104605, 230131, 523025, 774077, 1150655, 3870385, 5753275, 8514847, 19351925, 42574235, 212871175]

約数ペア:

[(1, 212871175), (5, 42574235), (11, 19351925), (25, 8514847), (37, 5753275), (55, 3870385), (185, 1150655), (275, 774077), (407, 523025), (925, 230131), (2035, 104605), (10175, 20921)]