87449725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{28909}}^1$

素因数の和:28941

約数の個数: 18

約数和(自身を含む): 119195930

約数和(自身を除く): 31746205

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 28909, 144545, 317999, 722725, 1589995, 3497989, 7949975, 17489945, 87449725]

約数ペア:

[(1, 87449725), (5, 17489945), (11, 7949975), (25, 3497989), (55, 1589995), (121, 722725), (275, 317999), (605, 144545), (3025, 28909)]