81552304

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71789}}^1$

素因数の和:71868

約数の個数: 20

約数和(自身を含む): 160235280

約数和(自身を除く): 78682976

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71789, 143578, 287156, 574312, 1148624, 5097019, 10194038, 20388076, 40776152, 81552304]

約数ペア:

[(1, 81552304), (2, 40776152), (4, 20388076), (8, 10194038), (16, 5097019), (71, 1148624), (142, 574312), (284, 287156), (568, 143578), (1136, 71789)]