30978318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1081

約数の個数: 64

約数和(自身を含む): 76792320

約数和(自身を除く): 45814002

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 43, 51, 86, 102, 119, 129, 238, 258, 301, 357, 602, 714, 731, 903, 1009, 1462, 1806, 2018, 2193, 3027, 4386, 5117, 6054, 7063, 10234, 14126, 15351, 17153, 21189, 30702, 34306, 42378, 43387, 51459, 86774, 102918, 120071, 130161, 240142, 260322, 303709, 360213, 607418, 720426, 737579, 911127, 1475158, 1822254, 2212737, 4425474, 5163053, 10326106, 15489159, 30978318]

約数ペア:

[(1, 30978318), (2, 15489159), (3, 10326106), (6, 5163053), (7, 4425474), (14, 2212737), (17, 1822254), (21, 1475158), (34, 911127), (42, 737579), (43, 720426), (51, 607418), (86, 360213), (102, 303709), (119, 260322), (129, 240142), (238, 130161), (258, 120071), (301, 102918), (357, 86774), (602, 51459), (714, 43387), (731, 42378), (903, 34306), (1009, 30702), (1462, 21189), (1806, 17153), (2018, 15351), (2193, 14126), (3027, 10234), (4386, 7063), (5117, 6054)]