28234144

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 61272288

約数和(自身を除く): 33038144

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 71, 86, 136, 142, 172, 272, 284, 289, 344, 544, 568, 578, 688, 731, 1136, 1156, 1207, 1376, 1462, 2272, 2312, 2414, 2924, 3053, 4624, 4828, 5848, 6106, 9248, 9656, 11696, 12212, 12427, 19312, 20519, 23392, 24424, 24854, 38624, 41038, 48848, 49708, 51901, 82076, 97696, 99416, 103802, 164152, 198832, 207604, 328304, 397664, 415208, 656608, 830416, 882317, 1660832, 1764634, 3529268, 7058536, 14117072, 28234144]

約数ペア:

[(1, 28234144), (2, 14117072), (4, 7058536), (8, 3529268), (16, 1764634), (17, 1660832), (32, 882317), (34, 830416), (43, 656608), (68, 415208), (71, 397664), (86, 328304), (136, 207604), (142, 198832), (172, 164152), (272, 103802), (284, 99416), (289, 97696), (344, 82076), (544, 51901), (568, 49708), (578, 48848), (688, 41038), (731, 38624), (1136, 24854), (1156, 24424), (1207, 23392), (1376, 20519), (1462, 19312), (2272, 12427), (2312, 12212), (2414, 11696), (2924, 9656), (3053, 9248), (4624, 6106), (4828, 5848)]