223509385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 295783488

約数和(自身を除く): 72274103

約数列:

[1, 5, 11, 55, 121, 571, 605, 647, 2855, 3235, 6281, 7117, 31405, 35585, 69091, 78287, 345455, 369437, 391435, 1847185, 4063807, 20319035, 44701877, 223509385]

約数ペア:

[(1, 223509385), (5, 44701877), (11, 20319035), (55, 4063807), (121, 1847185), (571, 391435), (605, 369437), (647, 345455), (2855, 78287), (3235, 69091), (6281, 35585), (7117, 31405)]