28681377564

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{1291}}^1\times {\mathrm{37783}}^1$

素因数の和:39095

約数の個数: 72

約数和(自身を含む): 77911817088

約数和(自身を除く): 49230439524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1291, 2582, 3873, 5164, 7746, 9037, 15492, 18074, 27111, 36148, 37783, 54222, 63259, 75566, 108444, 113349, 126518, 151132, 189777, 226698, 253036, 264481, 379554, 453396, 528962, 759108, 793443, 1057924, 1586886, 1851367, 3173772, 3702734, 5554101, 7405468, 11108202, 22216404, 48777853, 97555706, 146333559, 195111412, 292667118, 341444971, 585334236, 682889942, 1024334913, 1365779884, 2048669826, 2390114797, 4097339652, 4780229594, 7170344391, 9560459188, 14340688782, 28681377564]

約数ペア:

[(1, 28681377564), (2, 14340688782), (3, 9560459188), (4, 7170344391), (6, 4780229594), (7, 4097339652), (12, 2390114797), (14, 2048669826), (21, 1365779884), (28, 1024334913), (42, 682889942), (49, 585334236), (84, 341444971), (98, 292667118), (147, 195111412), (196, 146333559), (294, 97555706), (588, 48777853), (1291, 22216404), (2582, 11108202), (3873, 7405468), (5164, 5554101), (7746, 3702734), (9037, 3173772), (15492, 1851367), (18074, 1586886), (27111, 1057924), (36148, 793443), (37783, 759108), (54222, 528962), (63259, 453396), (75566, 379554), (108444, 264481), (113349, 253036), (126518, 226698), (151132, 189777)]