78868304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{289957}}^1$

素因数の和:289982

約数の個数: 20

約数和(自身を含む): 161796564

約数和(自身を除く): 82928260

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289957, 579914, 1159828, 2319656, 4639312, 4929269, 9858538, 19717076, 39434152, 78868304]

約数ペア:

[(1, 78868304), (2, 39434152), (4, 19717076), (8, 9858538), (16, 4929269), (17, 4639312), (34, 2319656), (68, 1159828), (136, 579914), (272, 289957)]