28319688

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 81536130

約数和(自身を除く): 53216442

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1156, 1224, 1361, 1734, 2312, 2601, 2722, 3468, 4083, 5202, 5444, 6936, 8166, 10404, 10888, 12249, 16332, 20808, 23137, 24498, 32664, 46274, 48996, 69411, 92548, 97992, 138822, 185096, 208233, 277644, 393329, 416466, 555288, 786658, 832932, 1179987, 1573316, 1665864, 2359974, 3146632, 3539961, 4719948, 7079922, 9439896, 14159844, 28319688]

約数ペア:

[(1, 28319688), (2, 14159844), (3, 9439896), (4, 7079922), (6, 4719948), (8, 3539961), (9, 3146632), (12, 2359974), (17, 1665864), (18, 1573316), (24, 1179987), (34, 832932), (36, 786658), (51, 555288), (68, 416466), (72, 393329), (102, 277644), (136, 208233), (153, 185096), (204, 138822), (289, 97992), (306, 92548), (408, 69411), (578, 48996), (612, 46274), (867, 32664), (1156, 24498), (1224, 23137), (1361, 20808), (1734, 16332), (2312, 12249), (2601, 10888), (2722, 10404), (3468, 8166), (4083, 6936), (5202, 5444)]