644657617

素因数分解:

${\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 700144640

約数和(自身を除く): 55487023

約数列:

[1, 29, 31, 79, 313, 841, 899, 2291, 2449, 9077, 9703, 24727, 26071, 66439, 71021, 263233, 281387, 717083, 766537, 2059609, 8160223, 20795407, 22229573, 644657617]

約数ペア:

[(1, 644657617), (29, 22229573), (31, 20795407), (79, 8160223), (313, 2059609), (841, 766537), (899, 717083), (2291, 281387), (2449, 263233), (9077, 71021), (9703, 66439), (24727, 26071)]