81455284

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 144767168

約数和(自身を除く): 63311884

約数列:

[1, 2, 4, 103, 206, 211, 412, 422, 844, 937, 1874, 3748, 21733, 43466, 86932, 96511, 193022, 197707, 386044, 395414, 790828, 20363821, 40727642, 81455284]

約数ペア:

[(1, 81455284), (2, 40727642), (4, 20363821), (103, 790828), (206, 395414), (211, 386044), (412, 197707), (422, 193022), (844, 96511), (937, 86932), (1874, 43466), (3748, 21733)]