217397717

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{7229}}^1$

素因数の和:7336

約数の個数: 16

約数和(自身を含む): 242060400

約数和(自身を除く): 24662683

約数列:

[1, 17, 29, 61, 493, 1037, 1769, 7229, 30073, 122893, 209641, 440969, 3563897, 7496473, 12788101, 217397717]

約数ペア:

[(1, 217397717), (17, 12788101), (29, 7496473), (61, 3563897), (493, 440969), (1037, 209641), (1769, 122893), (7229, 30073)]