81653964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972071}}^1$

素因数の和:972085

約数の個数: 24

約数和(自身を含む): 217744128

約数和(自身を除く): 136090164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972071, 1944142, 2916213, 3888284, 5832426, 6804497, 11664852, 13608994, 20413491, 27217988, 40826982, 81653964]

約数ペア:

[(1, 81653964), (2, 40826982), (3, 27217988), (4, 20413491), (6, 13608994), (7, 11664852), (12, 6804497), (14, 5832426), (21, 3888284), (28, 2916213), (42, 1944142), (84, 972071)]