212221438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43649}}^1$

素因数の和:43692

約数の個数: 32

約数和(自身を含む): 395992800

約数和(自身を除く): 183771362

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4862, 43649, 87298, 480139, 567437, 742033, 960278, 1134874, 1484066, 6241807, 8162363, 9646429, 12483614, 16324726, 19292858, 106110719, 212221438]

約数ペア:

[(1, 212221438), (2, 106110719), (11, 19292858), (13, 16324726), (17, 12483614), (22, 9646429), (26, 8162363), (34, 6241807), (143, 1484066), (187, 1134874), (221, 960278), (286, 742033), (374, 567437), (442, 480139), (2431, 87298), (4862, 43649)]