28057008

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 85946880

約数和(自身を除く): 57889872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 79, 84, 98, 112, 147, 151, 158, 168, 196, 237, 294, 302, 316, 336, 392, 453, 474, 553, 588, 604, 632, 784, 906, 948, 1057, 1106, 1176, 1208, 1264, 1659, 1812, 1896, 2114, 2212, 2352, 2416, 3171, 3318, 3624, 3792, 3871, 4228, 4424, 6342, 6636, 7248, 7399, 7742, 8456, 8848, 11613, 11929, 12684, 13272, 14798, 15484, 16912, 22197, 23226, 23858, 25368, 26544, 29596, 30968, 35787, 44394, 46452, 47716, 50736, 59192, 61936, 71574, 83503, 88788, 92904, 95432, 118384, 143148, 167006, 177576, 185808, 190864, 250509, 286296, 334012, 355152, 501018, 572592, 584521, 668024, 1002036, 1169042, 1336048, 1753563, 2004072, 2338084, 3507126, 4008144, 4676168, 7014252, 9352336, 14028504, 28057008]

約数ペア:

[(1, 28057008), (2, 14028504), (3, 9352336), (4, 7014252), (6, 4676168), (7, 4008144), (8, 3507126), (12, 2338084), (14, 2004072), (16, 1753563), (21, 1336048), (24, 1169042), (28, 1002036), (42, 668024), (48, 584521), (49, 572592), (56, 501018), (79, 355152), (84, 334012), (98, 286296), (112, 250509), (147, 190864), (151, 185808), (158, 177576), (168, 167006), (196, 143148), (237, 118384), (294, 95432), (302, 92904), (316, 88788), (336, 83503), (392, 71574), (453, 61936), (474, 59192), (553, 50736), (588, 47716), (604, 46452), (632, 44394), (784, 35787), (906, 30968), (948, 29596), (1057, 26544), (1106, 25368), (1176, 23858), (1208, 23226), (1264, 22197), (1659, 16912), (1812, 15484), (1896, 14798), (2114, 13272), (2212, 12684), (2352, 11929), (2416, 11613), (3171, 8848), (3318, 8456), (3624, 7742), (3792, 7399), (3871, 7248), (4228, 6636), (4424, 6342)]