81243304

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{247693}}^1$

素因数の和:247740

約数の個数: 16

約数和(自身を含む): 156047220

約数和(自身を除く): 74803916

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 247693, 495386, 990772, 1981544, 10155413, 20310826, 40621652, 81243304]

約数ペア:

[(1, 81243304), (2, 40621652), (4, 20310826), (8, 10155413), (41, 1981544), (82, 990772), (164, 495386), (328, 247693)]