28127365

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 11996795

約数列:

[1, 5, 7, 35, 53, 59, 257, 265, 295, 371, 413, 1285, 1799, 1855, 2065, 3127, 8995, 13621, 15163, 15635, 21889, 68105, 75815, 95347, 106141, 109445, 476735, 530705, 803639, 4018195, 5625473, 28127365]

約数ペア:

[(1, 28127365), (5, 5625473), (7, 4018195), (35, 803639), (53, 530705), (59, 476735), (257, 109445), (265, 106141), (295, 95347), (371, 75815), (413, 68105), (1285, 21889), (1799, 15635), (1855, 15163), (2065, 13621), (3127, 8995)]