217904724

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{208721}}^1$

素因数の和:208760

約数の個数: 36

約数和(自身を含む): 569811060

約数和(自身を除く): 351906336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 208721, 417442, 626163, 834884, 1252326, 1878489, 2504652, 3756978, 6052909, 7513956, 12105818, 18158727, 24211636, 36317454, 54476181, 72634908, 108952362, 217904724]

約数ペア:

[(1, 217904724), (2, 108952362), (3, 72634908), (4, 54476181), (6, 36317454), (9, 24211636), (12, 18158727), (18, 12105818), (29, 7513956), (36, 6052909), (58, 3756978), (87, 2504652), (116, 1878489), (174, 1252326), (261, 834884), (348, 626163), (522, 417442), (1044, 208721)]