81197432

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{327409}}^1$

素因数の和:327446

約数の個数: 16

約数和(自身を含む): 157156800

約数和(自身を除く): 75959368

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 327409, 654818, 1309636, 2619272, 10149679, 20299358, 40598716, 81197432]

約数ペア:

[(1, 81197432), (2, 40598716), (4, 20299358), (8, 10149679), (31, 2619272), (62, 1309636), (124, 654818), (248, 327409)]