28214905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 10089095

約数列:

[1, 5, 19, 23, 37, 95, 115, 185, 349, 437, 703, 851, 1745, 2185, 3515, 4255, 6631, 8027, 12913, 16169, 33155, 40135, 64565, 80845, 152513, 245347, 296999, 762565, 1226735, 1484995, 5642981, 28214905]

約数ペア:

[(1, 28214905), (5, 5642981), (19, 1484995), (23, 1226735), (37, 762565), (95, 296999), (115, 245347), (185, 152513), (349, 80845), (437, 64565), (703, 40135), (851, 33155), (1745, 16169), (2185, 12913), (3515, 8027), (4255, 6631)]