642306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 1507968

約数和(自身を除く): 865662

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 373, 574, 746, 861, 1119, 1722, 2238, 2611, 5222, 7833, 15293, 15666, 30586, 45879, 91758, 107051, 214102, 321153, 642306]

約数ペア:

[(1, 642306), (2, 321153), (3, 214102), (6, 107051), (7, 91758), (14, 45879), (21, 30586), (41, 15666), (42, 15293), (82, 7833), (123, 5222), (246, 2611), (287, 2238), (373, 1722), (574, 1119), (746, 861)]