321384688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{647953}}^1$

素因数の和:647992

約数の個数: 20

約数和(自身を含む): 642770368

約数和(自身を除く): 321385680

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 647953, 1295906, 2591812, 5183624, 10367248, 20086543, 40173086, 80346172, 160692344, 321384688]

約数ペア:

[(1, 321384688), (2, 160692344), (4, 80346172), (8, 40173086), (16, 20086543), (31, 10367248), (62, 5183624), (124, 2591812), (248, 1295906), (496, 647953)]