668519992

素因数分解:

$2^3\times 7^1\times {\mathrm{11937857}}^1$

素因数の和:11937870

約数の個数: 16

約数和(自身を含む): 1432542960

約数和(自身を除く): 764022968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11937857, 23875714, 47751428, 83564999, 95502856, 167129998, 334259996, 668519992]

約数ペア:

[(1, 668519992), (2, 334259996), (4, 167129998), (7, 95502856), (8, 83564999), (14, 47751428), (28, 23875714), (56, 11937857)]