212551438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{311659}}^1$

素因数の和:311703

約数の個数: 16

約数和(自身を含む): 359032320

約数和(自身を除く): 146480882

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 311659, 623318, 3428249, 6856498, 9661429, 19322858, 106275719, 212551438]

約数ペア:

[(1, 212551438), (2, 106275719), (11, 19322858), (22, 9661429), (31, 6856498), (62, 3428249), (341, 623318), (682, 311659)]