78967664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{159209}}^1$

素因数の和:159248

約数の個数: 20

約数和(自身を含む): 157936320

約数和(自身を除く): 78968656

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 159209, 318418, 636836, 1273672, 2547344, 4935479, 9870958, 19741916, 39483832, 78967664]

約数ペア:

[(1, 78967664), (2, 39483832), (4, 19741916), (8, 9870958), (16, 4935479), (31, 2547344), (62, 1273672), (124, 636836), (248, 318418), (496, 159209)]