156784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 20

約数和(自身を含む): 312480

約数和(自身を除く): 155696

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 239, 328, 478, 656, 956, 1912, 3824, 9799, 19598, 39196, 78392, 156784]

約数ペア:

[(1, 156784), (2, 78392), (4, 39196), (8, 19598), (16, 9799), (41, 3824), (82, 1912), (164, 956), (239, 656), (328, 478)]