247173890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1\times {\mathrm{1021}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 456515136

約数和(自身を除く): 209341246

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 563, 1021, 1126, 2042, 2815, 5105, 5630, 10210, 24209, 43903, 48418, 87806, 121045, 219515, 242090, 439030, 574823, 1149646, 2874115, 5748230, 24717389, 49434778, 123586945, 247173890]

約数ペア:

[(1, 247173890), (2, 123586945), (5, 49434778), (10, 24717389), (43, 5748230), (86, 2874115), (215, 1149646), (430, 574823), (563, 439030), (1021, 242090), (1126, 219515), (2042, 121045), (2815, 87806), (5105, 48418), (5630, 43903), (10210, 24209)]