28053905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 39011328

約数和(自身を除く): 10957423

約数列:

[1, 5, 11, 23, 55, 67, 115, 253, 331, 335, 737, 1265, 1541, 1655, 3641, 3685, 7613, 7705, 16951, 18205, 22177, 38065, 83743, 84755, 110885, 243947, 418715, 510071, 1219735, 2550355, 5610781, 28053905]

約数ペア:

[(1, 28053905), (5, 5610781), (11, 2550355), (23, 1219735), (55, 510071), (67, 418715), (115, 243947), (253, 110885), (331, 84755), (335, 83743), (737, 38065), (1265, 22177), (1541, 18205), (1655, 16951), (3641, 7705), (3685, 7613)]