28663270

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 24213530

約数列:

[1, 2, 5, 10, 67, 134, 179, 239, 335, 358, 478, 670, 895, 1195, 1790, 2390, 11993, 16013, 23986, 32026, 42781, 59965, 80065, 85562, 119930, 160130, 213905, 427810, 2866327, 5732654, 14331635, 28663270]

約数ペア:

[(1, 28663270), (2, 14331635), (5, 5732654), (10, 2866327), (67, 427810), (134, 213905), (179, 160130), (239, 119930), (335, 85562), (358, 80065), (478, 59965), (670, 42781), (895, 32026), (1195, 23986), (1790, 16013), (2390, 11993)]