28249144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 66758400

約数和(自身を除く): 38509256

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 379, 484, 616, 758, 847, 968, 1331, 1516, 1694, 2653, 2662, 3032, 3388, 4169, 5306, 5324, 6776, 8338, 9317, 10612, 10648, 16676, 18634, 21224, 29183, 33352, 37268, 45859, 58366, 74536, 91718, 116732, 183436, 233464, 321013, 366872, 504449, 642026, 1008898, 1284052, 2017796, 2568104, 3531143, 4035592, 7062286, 14124572, 28249144]

約数ペア:

[(1, 28249144), (2, 14124572), (4, 7062286), (7, 4035592), (8, 3531143), (11, 2568104), (14, 2017796), (22, 1284052), (28, 1008898), (44, 642026), (56, 504449), (77, 366872), (88, 321013), (121, 233464), (154, 183436), (242, 116732), (308, 91718), (379, 74536), (484, 58366), (616, 45859), (758, 37268), (847, 33352), (968, 29183), (1331, 21224), (1516, 18634), (1694, 16676), (2653, 10648), (2662, 10612), (3032, 9317), (3388, 8338), (4169, 6776), (5306, 5324)]