2021629715

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{12919}}^1$

素因数の和:13211

約数の個数: 32

約数和(自身を含む): 2947000320

約数和(自身を除く): 925370605

約数列:

[1, 5, 7, 17, 35, 85, 119, 263, 595, 1315, 1841, 4471, 9205, 12919, 22355, 31297, 64595, 90433, 156485, 219623, 452165, 1098115, 1537361, 3397697, 7686805, 16988485, 23783879, 57760849, 118919395, 288804245, 404325943, 2021629715]

約数ペア:

[(1, 2021629715), (5, 404325943), (7, 288804245), (17, 118919395), (35, 57760849), (85, 23783879), (119, 16988485), (263, 7686805), (595, 3397697), (1315, 1537361), (1841, 1098115), (4471, 452165), (9205, 219623), (12919, 156485), (22355, 90433), (31297, 64595)]