211707395

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 272160000

約数和(自身を除く): 60452605

約数列:

[1, 5, 29, 41, 145, 149, 205, 239, 745, 1189, 1195, 4321, 5945, 6109, 6931, 9799, 21605, 30545, 34655, 35611, 48995, 177161, 178055, 284171, 885805, 1032719, 1420855, 1460051, 5163595, 7300255, 42341479, 211707395]

約数ペア:

[(1, 211707395), (5, 42341479), (29, 7300255), (41, 5163595), (145, 1460051), (149, 1420855), (205, 1032719), (239, 885805), (745, 284171), (1189, 178055), (1195, 177161), (4321, 48995), (5945, 35611), (6109, 34655), (6931, 30545), (9799, 21605)]