81607764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{971521}}^1$

素因数の和:971535

約数の個数: 24

約数和(自身を含む): 217620928

約数和(自身を除く): 136013164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 971521, 1943042, 2914563, 3886084, 5829126, 6800647, 11658252, 13601294, 20401941, 27202588, 40803882, 81607764]

約数ペア:

[(1, 81607764), (2, 40803882), (3, 27202588), (4, 20401941), (6, 13601294), (7, 11658252), (12, 6800647), (14, 5829126), (21, 3886084), (28, 2914563), (42, 1943042), (84, 971521)]