647309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 16

約数和(自身を含む): 771120

約数和(自身を除く): 123811

約数列:

[1, 13, 17, 29, 101, 221, 377, 493, 1313, 1717, 2929, 6409, 22321, 38077, 49793, 647309]

約数ペア:

[(1, 647309), (13, 49793), (17, 38077), (29, 22321), (101, 6409), (221, 2929), (377, 1717), (493, 1313)]