28939328

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 84

約数和(自身を含む): 65469516

約数和(自身を除く): 36530188

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 101, 121, 148, 176, 202, 242, 296, 352, 404, 407, 484, 592, 704, 808, 814, 968, 1111, 1184, 1616, 1628, 1936, 2222, 2368, 3232, 3256, 3737, 3872, 4444, 4477, 6464, 6512, 7474, 7744, 8888, 8954, 12221, 13024, 14948, 17776, 17908, 24442, 26048, 29896, 35552, 35816, 41107, 48884, 59792, 71104, 71632, 82214, 97768, 119584, 143264, 164428, 195536, 239168, 286528, 328856, 391072, 452177, 657712, 782144, 904354, 1315424, 1808708, 2630848, 3617416, 7234832, 14469664, 28939328]

約数ペア:

[(1, 28939328), (2, 14469664), (4, 7234832), (8, 3617416), (11, 2630848), (16, 1808708), (22, 1315424), (32, 904354), (37, 782144), (44, 657712), (64, 452177), (74, 391072), (88, 328856), (101, 286528), (121, 239168), (148, 195536), (176, 164428), (202, 143264), (242, 119584), (296, 97768), (352, 82214), (404, 71632), (407, 71104), (484, 59792), (592, 48884), (704, 41107), (808, 35816), (814, 35552), (968, 29896), (1111, 26048), (1184, 24442), (1616, 17908), (1628, 17776), (1936, 14948), (2222, 13024), (2368, 12221), (3232, 8954), (3256, 8888), (3737, 7744), (3872, 7474), (4444, 6512), (4477, 6464)]