388954.0000000

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19889}}^1$

素因数の和:19914

約数の個数: 20

約数和(自身を含む): 11098620

約数和(自身を除く): 5688812

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 19889, 39778, 79556, 159112, 318224, 338113, 676226, 1352452, 2704904, 5409808]

約数ペア:

[(1, 5409808), (2, 2704904), (4, 1352452), (8, 676226), (16, 338113), (17, 318224), (34, 159112), (68, 79556), (136, 39778), (272, 19889)]