1640487184

素因数分解:

$2^4\times 7^1\times {\mathrm{14647207}}^1$

素因数の和:14647222

約数の個数: 20

約数和(自身を含む): 3632507584

約数和(自身を除く): 1992020400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 14647207, 29294414, 58588828, 102530449, 117177656, 205060898, 234355312, 410121796, 820243592, 1640487184]

約数ペア:

[(1, 1640487184), (2, 820243592), (4, 410121796), (7, 234355312), (8, 205060898), (14, 117177656), (16, 102530449), (28, 58588828), (56, 29294414), (112, 14647207)]