668194324

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1\times {\mathrm{661}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 1358318080

約数和(自身を除く): 690123756

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 457, 553, 661, 914, 1106, 1322, 1828, 2212, 2644, 3199, 4627, 6398, 9254, 12796, 18508, 36103, 52219, 72206, 104438, 144412, 208876, 252721, 302077, 365533, 505442, 604154, 731066, 1010884, 1208308, 1462132, 2114539, 4229078, 8458156, 23864083, 47728166, 95456332, 167048581, 334097162, 668194324]

約数ペア:

[(1, 668194324), (2, 334097162), (4, 167048581), (7, 95456332), (14, 47728166), (28, 23864083), (79, 8458156), (158, 4229078), (316, 2114539), (457, 1462132), (553, 1208308), (661, 1010884), (914, 731066), (1106, 604154), (1322, 505442), (1828, 365533), (2212, 302077), (2644, 252721), (3199, 208876), (4627, 144412), (6398, 104438), (9254, 72206), (12796, 52219), (18508, 36103)]