289753912

素因数分解:

$2^3\times 7^1\times {\mathrm{5174177}}^1$

素因数の和:5174190

約数の個数: 16

約数和(自身を含む): 620901360

約数和(自身を除く): 331147448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5174177, 10348354, 20696708, 36219239, 41393416, 72438478, 144876956, 289753912]

約数ペア:

[(1, 289753912), (2, 144876956), (4, 72438478), (7, 41393416), (8, 36219239), (14, 20696708), (28, 10348354), (56, 5174177)]