1403344

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:778

約数の個数: 20

約数和(自身を含む): 2742880

約数和(自身を除く): 1339536

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 631, 1112, 1262, 2224, 2524, 5048, 10096, 87709, 175418, 350836, 701672, 1403344]

約数ペア:

[(1, 1403344), (2, 701672), (4, 350836), (8, 175418), (16, 87709), (139, 10096), (278, 5048), (556, 2524), (631, 2224), (1112, 1262)]