663609790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{16333}}^1$

素因数の和:16596

約数の個数: 32

約数和(自身を含む): 1270131840

約数和(自身を除く): 606522050

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 478, 1195, 2390, 4063, 8126, 16333, 20315, 32666, 40630, 81665, 163330, 277661, 555322, 1388305, 2776610, 3903587, 7807174, 19517935, 39035870, 66360979, 132721958, 331804895, 663609790]

約数ペア:

[(1, 663609790), (2, 331804895), (5, 132721958), (10, 66360979), (17, 39035870), (34, 19517935), (85, 7807174), (170, 3903587), (239, 2776610), (478, 1388305), (1195, 555322), (2390, 277661), (4063, 163330), (8126, 81665), (16333, 40630), (20315, 32666)]