39128944

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{78889}}^1$

素因数の和:78928

約数の個数: 20

約数和(自身を含む): 78258880

約数和(自身を除く): 39129936

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 78889, 157778, 315556, 631112, 1262224, 2445559, 4891118, 9782236, 19564472, 39128944]

約数ペア:

[(1, 39128944), (2, 19564472), (4, 9782236), (8, 4891118), (16, 2445559), (31, 1262224), (62, 631112), (124, 315556), (248, 157778), (496, 78889)]