989506

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 1805760

約数和(自身を除く): 816254

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 439, 878, 1127, 2254, 3073, 6146, 10097, 20194, 21511, 43022, 70679, 141358, 494753, 989506]

約数ペア:

[(1, 989506), (2, 494753), (7, 141358), (14, 70679), (23, 43022), (46, 21511), (49, 20194), (98, 10097), (161, 6146), (322, 3073), (439, 2254), (878, 1127)]