399623758

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{13553}}^1$

素因数の和:14219

約数の個数: 16

約数和(自身を含む): 626520096

約数和(自身を除く): 226896338

約数列:

[1, 2, 23, 46, 641, 1282, 13553, 14743, 27106, 29486, 311719, 623438, 8687473, 17374946, 199811879, 399623758]

約数ペア:

[(1, 399623758), (2, 199811879), (23, 17374946), (46, 8687473), (641, 623438), (1282, 311719), (13553, 29486), (14743, 27106)]