28670305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{67}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 37043136

約数和(自身を除く): 8372831

約数列:

[1, 5, 23, 61, 67, 115, 305, 335, 1403, 1541, 3721, 4087, 7015, 7705, 18605, 20435, 85583, 94001, 249307, 427915, 470005, 1246535, 5734061, 28670305]

約数ペア:

[(1, 28670305), (5, 5734061), (23, 1246535), (61, 470005), (67, 427915), (115, 249307), (305, 94001), (335, 85583), (1403, 20435), (1541, 18605), (3721, 7705), (4087, 7015)]