720646589

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 805650912

約数和(自身を除く): 85004323

約数列:

[1, 13, 43, 131, 169, 559, 757, 1703, 5633, 7267, 9841, 22139, 32551, 73229, 99167, 127933, 423163, 951977, 1289171, 4264181, 5501119, 16759223, 55434353, 720646589]

約数ペア:

[(1, 720646589), (13, 55434353), (43, 16759223), (131, 5501119), (169, 4264181), (559, 1289171), (757, 951977), (1703, 423163), (5633, 127933), (7267, 99167), (9841, 73229), (22139, 32551)]