2144725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{709}}^1$

素因数の和:741

約数の個数: 18

約数和(自身を含む): 2927330

約数和(自身を除く): 782605

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 709, 3025, 3545, 7799, 17725, 38995, 85789, 194975, 428945, 2144725]

約数ペア:

[(1, 2144725), (5, 428945), (11, 194975), (25, 85789), (55, 38995), (121, 17725), (275, 7799), (605, 3545), (709, 3025)]