28588728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 82080000

約数和(自身を除く): 53491272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 379, 449, 758, 898, 1137, 1347, 1516, 1796, 2274, 2653, 2694, 3032, 3143, 3592, 4548, 5306, 5388, 6286, 7959, 9096, 9429, 10612, 10776, 12572, 15918, 18858, 21224, 25144, 31836, 37716, 63672, 75432, 170171, 340342, 510513, 680684, 1021026, 1191197, 1361368, 2042052, 2382394, 3573591, 4084104, 4764788, 7147182, 9529576, 14294364, 28588728]

約数ペア:

[(1, 28588728), (2, 14294364), (3, 9529576), (4, 7147182), (6, 4764788), (7, 4084104), (8, 3573591), (12, 2382394), (14, 2042052), (21, 1361368), (24, 1191197), (28, 1021026), (42, 680684), (56, 510513), (84, 340342), (168, 170171), (379, 75432), (449, 63672), (758, 37716), (898, 31836), (1137, 25144), (1347, 21224), (1516, 18858), (1796, 15918), (2274, 12572), (2653, 10776), (2694, 10612), (3032, 9429), (3143, 9096), (3592, 7959), (4548, 6286), (5306, 5388)]