72123716

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{42227}}^1$

素因数の和:42299

約数の個数: 24

約数和(自身を含む): 146615616

約数和(自身を除く): 74491900

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 42227, 84454, 168908, 295589, 591178, 1182356, 2575847, 5151694, 10303388, 18030929, 36061858, 72123716]

約数ペア:

[(1, 72123716), (2, 36061858), (4, 18030929), (7, 10303388), (14, 5151694), (28, 2575847), (61, 1182356), (122, 591178), (244, 295589), (427, 168908), (854, 84454), (1708, 42227)]