628432828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{77279}}^1$

素因数の和:77409

約数の個数: 24

約数和(自身を含む): 1168473600

約数和(自身を除く): 540040772

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 4066, 8132, 77279, 154558, 309116, 1468301, 2936602, 5873204, 8268853, 16537706, 33075412, 157108207, 314216414, 628432828]

約数ペア:

[(1, 628432828), (2, 314216414), (4, 157108207), (19, 33075412), (38, 16537706), (76, 8268853), (107, 5873204), (214, 2936602), (428, 1468301), (2033, 309116), (4066, 154558), (8132, 77279)]