81861276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{974539}}^1$

素因数の和:974553

約数の個数: 24

約数和(自身を含む): 218296960

約数和(自身を除く): 136435684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 974539, 1949078, 2923617, 3898156, 5847234, 6821773, 11694468, 13643546, 20465319, 27287092, 40930638, 81861276]

約数ペア:

[(1, 81861276), (2, 40930638), (3, 27287092), (4, 20465319), (6, 13643546), (7, 11694468), (12, 6821773), (14, 5847234), (21, 3898156), (28, 2923617), (42, 1949078), (84, 974539)]