1957175

素因数分解:

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

素因数の和:679

約数の個数: 18

約数和(自身を含む): 2671704

約数和(自身を除く): 714529

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 647, 3025, 3235, 7117, 16175, 35585, 78287, 177925, 391435, 1957175]

約数ペア:

[(1, 1957175), (5, 391435), (11, 177925), (25, 78287), (55, 35585), (121, 16175), (275, 7117), (605, 3235), (647, 3025)]