81867198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{18217}}^1$

素因数の和:18336

約数の個数: 32

約数和(自身を含む): 188884224

約数和(自身を除く): 107017026

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 18217, 36434, 54651, 109302, 127519, 255038, 382557, 765114, 1949219, 3898438, 5847657, 11695314, 13644533, 27289066, 40933599, 81867198]

約数ペア:

[(1, 81867198), (2, 40933599), (3, 27289066), (6, 13644533), (7, 11695314), (14, 5847657), (21, 3898438), (42, 1949219), (107, 765114), (214, 382557), (321, 255038), (642, 127519), (749, 109302), (1498, 54651), (2247, 36434), (4494, 18217)]