8260028

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 18558288

約数和(自身を除く): 10298260

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 67, 68, 74, 98, 119, 134, 148, 196, 238, 259, 268, 469, 476, 518, 629, 833, 938, 1036, 1139, 1258, 1666, 1813, 1876, 2278, 2479, 2516, 3283, 3332, 3626, 4403, 4556, 4958, 6566, 7252, 7973, 8806, 9916, 13132, 15946, 17353, 17612, 30821, 31892, 34706, 42143, 55811, 61642, 69412, 84286, 111622, 121471, 123284, 168572, 223244, 242942, 295001, 485884, 590002, 1180004, 2065007, 4130014, 8260028]

約数ペア:

[(1, 8260028), (2, 4130014), (4, 2065007), (7, 1180004), (14, 590002), (17, 485884), (28, 295001), (34, 242942), (37, 223244), (49, 168572), (67, 123284), (68, 121471), (74, 111622), (98, 84286), (119, 69412), (134, 61642), (148, 55811), (196, 42143), (238, 34706), (259, 31892), (268, 30821), (469, 17612), (476, 17353), (518, 15946), (629, 13132), (833, 9916), (938, 8806), (1036, 7973), (1139, 7252), (1258, 6566), (1666, 4958), (1813, 4556), (1876, 4403), (2278, 3626), (2479, 3332), (2516, 3283)]