209931694

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{86677}}^1$

素因数の和:86859

約数の個数: 16

約数和(自身を含む): 361967328

約数和(自身を除く): 152035634

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 86677, 173354, 606739, 1213478, 14995121, 29990242, 104965847, 209931694]

約数ペア:

[(1, 209931694), (2, 104965847), (7, 29990242), (14, 14995121), (173, 1213478), (346, 606739), (1211, 173354), (2422, 86677)]