129121972

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1663}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 268369920

約数和(自身を除く): 139247948

約数列:

[1, 2, 4, 7, 14, 28, 47, 59, 94, 118, 188, 236, 329, 413, 658, 826, 1316, 1652, 1663, 2773, 3326, 5546, 6652, 11092, 11641, 19411, 23282, 38822, 46564, 77644, 78161, 98117, 156322, 196234, 312644, 392468, 547127, 686819, 1094254, 1373638, 2188508, 2747276, 4611499, 9222998, 18445996, 32280493, 64560986, 129121972]

約数ペア:

[(1, 129121972), (2, 64560986), (4, 32280493), (7, 18445996), (14, 9222998), (28, 4611499), (47, 2747276), (59, 2188508), (94, 1373638), (118, 1094254), (188, 686819), (236, 547127), (329, 392468), (413, 312644), (658, 196234), (826, 156322), (1316, 98117), (1652, 78161), (1663, 77644), (2773, 46564), (3326, 38822), (5546, 23282), (6652, 19411), (11092, 11641)]