216665488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 474969600

約数和(自身を除く): 258304112

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 47, 52, 74, 94, 104, 148, 188, 208, 296, 376, 481, 592, 599, 611, 752, 962, 1198, 1222, 1739, 1924, 2396, 2444, 3478, 3848, 4792, 4888, 6956, 7696, 7787, 9584, 9776, 13912, 15574, 22163, 22607, 27824, 28153, 31148, 44326, 45214, 56306, 62296, 88652, 90428, 112612, 124592, 177304, 180856, 225224, 288119, 354608, 361712, 365989, 450448, 576238, 731978, 1041661, 1152476, 1463956, 2083322, 2304952, 2927912, 4166644, 4609904, 5855824, 8333288, 13541593, 16666576, 27083186, 54166372, 108332744, 216665488]

約数ペア:

[(1, 216665488), (2, 108332744), (4, 54166372), (8, 27083186), (13, 16666576), (16, 13541593), (26, 8333288), (37, 5855824), (47, 4609904), (52, 4166644), (74, 2927912), (94, 2304952), (104, 2083322), (148, 1463956), (188, 1152476), (208, 1041661), (296, 731978), (376, 576238), (481, 450448), (592, 365989), (599, 361712), (611, 354608), (752, 288119), (962, 225224), (1198, 180856), (1222, 177304), (1739, 124592), (1924, 112612), (2396, 90428), (2444, 88652), (3478, 62296), (3848, 56306), (4792, 45214), (4888, 44326), (6956, 31148), (7696, 28153), (7787, 27824), (9584, 22607), (9776, 22163), (13912, 15574)]