4289725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 6115680

約数和(自身を除く): 1825955

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 821, 1045, 4105, 5225, 9031, 15599, 20525, 45155, 77995, 171589, 225775, 389975, 857945, 4289725]

約数ペア:

[(1, 4289725), (5, 857945), (11, 389975), (19, 225775), (25, 171589), (55, 77995), (95, 45155), (209, 20525), (275, 15599), (475, 9031), (821, 5225), (1045, 4105)]