668528072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{4398211}}^1$

素因数の和:4398236

約数の個数: 16

約数和(自身を含む): 1319463600

約数和(自身を除く): 650935528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 4398211, 8796422, 17592844, 35185688, 83566009, 167132018, 334264036, 668528072]

約数ペア:

[(1, 668528072), (2, 334264036), (4, 167132018), (8, 83566009), (19, 35185688), (38, 17592844), (76, 8796422), (152, 4398211)]