72121378

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 141523200

約数和(自身を除く): 69401822

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 41, 82, 119, 133, 238, 266, 287, 323, 389, 574, 646, 697, 778, 779, 1394, 1558, 2261, 2723, 4522, 4879, 5446, 5453, 6613, 7391, 9758, 10906, 13226, 13243, 14782, 15949, 26486, 31898, 46291, 51737, 92582, 92701, 103474, 111643, 125647, 185402, 223286, 251294, 271133, 303031, 542266, 606062, 879529, 1759058, 1897931, 2121217, 3795862, 4242434, 5151527, 10303054, 36060689, 72121378]

約数ペア:

[(1, 72121378), (2, 36060689), (7, 10303054), (14, 5151527), (17, 4242434), (19, 3795862), (34, 2121217), (38, 1897931), (41, 1759058), (82, 879529), (119, 606062), (133, 542266), (238, 303031), (266, 271133), (287, 251294), (323, 223286), (389, 185402), (574, 125647), (646, 111643), (697, 103474), (778, 92701), (779, 92582), (1394, 51737), (1558, 46291), (2261, 31898), (2723, 26486), (4522, 15949), (4879, 14782), (5446, 13243), (5453, 13226), (6613, 10906), (7391, 9758)]