12999664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{26209}}^1$

素因数の和:26248

約数の個数: 20

約数和(自身を含む): 26000320

約数和(自身を除く): 13000656

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 26209, 52418, 104836, 209672, 419344, 812479, 1624958, 3249916, 6499832, 12999664]

約数ペア:

[(1, 12999664), (2, 6499832), (4, 3249916), (8, 1624958), (16, 812479), (31, 419344), (62, 209672), (124, 104836), (248, 52418), (496, 26209)]