643812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4127}}^1$

素因数の和:4147

約数の個数: 24

約数和(自身を含む): 1618176

約数和(自身を除く): 974364

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4127, 8254, 12381, 16508, 24762, 49524, 53651, 107302, 160953, 214604, 321906, 643812]

約数ペア:

[(1, 643812), (2, 321906), (3, 214604), (4, 160953), (6, 107302), (12, 53651), (13, 49524), (26, 24762), (39, 16508), (52, 12381), (78, 8254), (156, 4127)]