81649628

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{1249}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 145950000

約数和(自身を除く): 64300372

約数列:

[1, 2, 4, 59, 118, 236, 277, 554, 1108, 1249, 2498, 4996, 16343, 32686, 65372, 73691, 147382, 294764, 345973, 691946, 1383892, 20412407, 40824814, 81649628]

約数ペア:

[(1, 81649628), (2, 40824814), (4, 20412407), (59, 1383892), (118, 691946), (236, 345973), (277, 294764), (554, 147382), (1108, 73691), (1249, 65372), (2498, 32686), (4996, 16343)]