179740015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12743}}^1$

素因数の和:12799

約数の個数: 32

約数和(自身を含む): 274046976

約数和(自身を除く): 94306961

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 12743, 14105, 63715, 89201, 165659, 395033, 446005, 828295, 1159613, 1975165, 2765231, 5135429, 5798065, 13826155, 25677145, 35948003, 179740015]

約数ペア:

[(1, 179740015), (5, 35948003), (7, 25677145), (13, 13826155), (31, 5798065), (35, 5135429), (65, 2765231), (91, 1975165), (155, 1159613), (217, 828295), (403, 446005), (455, 395033), (1085, 165659), (2015, 89201), (2821, 63715), (12743, 14105)]