85778668

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{74203}}^1$

素因数の和:74241

約数の個数: 18

約数和(自身を含む): 159464396

約数和(自身を除く): 73685728

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 74203, 148406, 296812, 1261451, 2522902, 5045804, 21444667, 42889334, 85778668]

約数ペア:

[(1, 85778668), (2, 42889334), (4, 21444667), (17, 5045804), (34, 2522902), (68, 1261451), (289, 296812), (578, 148406), (1156, 74203)]