331996

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 677376

約数和(自身を除く): 345380

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 167, 284, 334, 497, 668, 994, 1169, 1988, 2338, 4676, 11857, 23714, 47428, 82999, 165998, 331996]

約数ペア:

[(1, 331996), (2, 165998), (4, 82999), (7, 47428), (14, 23714), (28, 11857), (71, 4676), (142, 2338), (167, 1988), (284, 1169), (334, 994), (497, 668)]