211406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 16

約数和(自身を含む): 350784

約数和(自身を除く): 139378

約数列:

[1, 2, 13, 26, 47, 94, 173, 346, 611, 1222, 2249, 4498, 8131, 16262, 105703, 211406]

約数ペア:

[(1, 211406), (2, 105703), (13, 16262), (26, 8131), (47, 4498), (94, 2249), (173, 1222), (346, 611)]