81317004

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{63331}}^1$

素因数の和:63445

約数の個数: 24

約数和(自身を含む): 191515968

約数和(自身を除く): 110198964

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 63331, 126662, 189993, 253324, 379986, 759972, 6776417, 13552834, 20329251, 27105668, 40658502, 81317004]

約数ペア:

[(1, 81317004), (2, 40658502), (3, 27105668), (4, 20329251), (6, 13552834), (12, 6776417), (107, 759972), (214, 379986), (321, 253324), (428, 189993), (642, 126662), (1284, 63331)]