1221348425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{261251}}^1$

素因数の和:261289

約数の個数: 24

約数和(自身を含む): 1749343392

約数和(自身を除く): 527994967

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 261251, 1306255, 2873761, 4441267, 6531275, 14368805, 22206335, 48853937, 71844025, 111031675, 244269685, 1221348425]

約数ペア:

[(1, 1221348425), (5, 244269685), (11, 111031675), (17, 71844025), (25, 48853937), (55, 22206335), (85, 14368805), (187, 6531275), (275, 4441267), (425, 2873761), (935, 1306255), (4675, 261251)]