128443664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258959}}^1$

素因数の和:258998

約数の個数: 20

約数和(自身を含む): 256888320

約数和(自身を除く): 128444656

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258959, 517918, 1035836, 2071672, 4143344, 8027729, 16055458, 32110916, 64221832, 128443664]

約数ペア:

[(1, 128443664), (2, 64221832), (4, 32110916), (8, 16055458), (16, 8027729), (31, 4143344), (62, 2071672), (124, 1035836), (248, 517918), (496, 258959)]