818785552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 1856271816

約数和(自身を除く): 1037486264

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 53, 68, 104, 106, 136, 208, 212, 221, 257, 272, 289, 424, 442, 514, 578, 689, 848, 884, 901, 1028, 1156, 1378, 1768, 1802, 2056, 2312, 2756, 3341, 3536, 3604, 3757, 4112, 4369, 4624, 5512, 6682, 7208, 7514, 8738, 11024, 11713, 13364, 13621, 14416, 15028, 15317, 17476, 23426, 26728, 27242, 30056, 30634, 34952, 46852, 53456, 54484, 56797, 60112, 61268, 69904, 74273, 93704, 108968, 113594, 122536, 148546, 177073, 187408, 199121, 217936, 227188, 231557, 245072, 297092, 354146, 398242, 454376, 463114, 594184, 708292, 796484, 908752, 926228, 965549, 1188368, 1416584, 1592968, 1852456, 1931098, 2833168, 3010241, 3185936, 3704912, 3862196, 3936469, 6020482, 7724392, 7872938, 12040964, 15448784, 15745876, 24081928, 31491752, 48163856, 51174097, 62983504, 102348194, 204696388, 409392776, 818785552]

約数ペア:

[(1, 818785552), (2, 409392776), (4, 204696388), (8, 102348194), (13, 62983504), (16, 51174097), (17, 48163856), (26, 31491752), (34, 24081928), (52, 15745876), (53, 15448784), (68, 12040964), (104, 7872938), (106, 7724392), (136, 6020482), (208, 3936469), (212, 3862196), (221, 3704912), (257, 3185936), (272, 3010241), (289, 2833168), (424, 1931098), (442, 1852456), (514, 1592968), (578, 1416584), (689, 1188368), (848, 965549), (884, 926228), (901, 908752), (1028, 796484), (1156, 708292), (1378, 594184), (1768, 463114), (1802, 454376), (2056, 398242), (2312, 354146), (2756, 297092), (3341, 245072), (3536, 231557), (3604, 227188), (3757, 217936), (4112, 199121), (4369, 187408), (4624, 177073), (5512, 148546), (6682, 122536), (7208, 113594), (7514, 108968), (8738, 93704), (11024, 74273), (11713, 69904), (13364, 61268), (13621, 60112), (14416, 56797), (15028, 54484), (15317, 53456), (17476, 46852), (23426, 34952), (26728, 30634), (27242, 30056)]