261000524

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{225779}}^1$

素因数の和:225817

約数の個数: 18

約数和(自身を含む): 485201220

約数和(自身を除く): 224200696

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 225779, 451558, 903116, 3838243, 7676486, 15352972, 65250131, 130500262, 261000524]

約数ペア:

[(1, 261000524), (2, 130500262), (4, 65250131), (17, 15352972), (34, 7676486), (68, 3838243), (289, 903116), (578, 451558), (1156, 225779)]