211474874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{12689}}^1$

素因数の和:13345

約数の個数: 16

約数和(自身を含む): 342173160

約数和(自身を除く): 130698286

約数列:

[1, 2, 13, 26, 641, 1282, 8333, 12689, 16666, 25378, 164957, 329914, 8133649, 16267298, 105737437, 211474874]

約数ペア:

[(1, 211474874), (2, 105737437), (13, 16267298), (26, 8133649), (641, 329914), (1282, 164957), (8333, 25378), (12689, 16666)]