289403941

素因数分解:

${\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 303713280

約数和(自身を除く): 14309339

約数列:

[1, 31, 103, 233, 389, 3193, 7223, 12059, 23999, 40067, 90637, 743969, 1242077, 2809747, 9335611, 289403941]

約数ペア:

[(1, 289403941), (31, 9335611), (103, 2809747), (233, 1242077), (389, 743969), (3193, 90637), (7223, 40067), (12059, 23999)]