999777612

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{778643}}^1$

素因数の和:778757

約数の個数: 24

約数和(自身を含む): 2354619456

約数和(自身を除く): 1354841844

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 778643, 1557286, 2335929, 3114572, 4671858, 9343716, 83314801, 166629602, 249944403, 333259204, 499888806, 999777612]

約数ペア:

[(1, 999777612), (2, 499888806), (3, 333259204), (4, 249944403), (6, 166629602), (12, 83314801), (107, 9343716), (214, 4671858), (321, 3114572), (428, 2335929), (642, 1557286), (1284, 778643)]