664904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{4889}}^1$

素因数の和:4912

約数の個数: 16

約数和(自身を含む): 1320300

約数和(自身を除く): 655396

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 4889, 9778, 19556, 39112, 83113, 166226, 332452, 664904]

約数ペア:

[(1, 664904), (2, 332452), (4, 166226), (8, 83113), (17, 39112), (34, 19556), (68, 9778), (136, 4889)]