639778872

素因数分解:

$2^3\times 3^1\times {\mathrm{26657453}}^1$

素因数の和:26657462

約数の個数: 16

約数和(自身を含む): 1599447240

約数和(自身を除く): 959668368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 26657453, 53314906, 79972359, 106629812, 159944718, 213259624, 319889436, 639778872]

約数ペア:

[(1, 639778872), (2, 319889436), (3, 213259624), (4, 159944718), (6, 106629812), (8, 79972359), (12, 53314906), (24, 26657453)]