81291516

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{183089}}^1$

素因数の和:183133

約数の個数: 24

約数和(自身を含む): 194807760

約数和(自身を除く): 113516244

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 183089, 366178, 549267, 732356, 1098534, 2197068, 6774293, 13548586, 20322879, 27097172, 40645758, 81291516]

約数ペア:

[(1, 81291516), (2, 40645758), (3, 27097172), (4, 20322879), (6, 13548586), (12, 6774293), (37, 2197068), (74, 1098534), (111, 732356), (148, 549267), (222, 366178), (444, 183089)]