221809724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{22279}}^1$

素因数の和:22433

約数の個数: 24

約数和(自身を含む): 411734400

約数和(自身を除く): 189924676

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 22279, 44558, 89116, 423301, 846602, 1693204, 2918549, 5837098, 11674196, 55452431, 110904862, 221809724]

約数ペア:

[(1, 221809724), (2, 110904862), (4, 55452431), (19, 11674196), (38, 5837098), (76, 2918549), (131, 1693204), (262, 846602), (524, 423301), (2489, 89116), (4978, 44558), (9956, 22279)]