2021819945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{2579}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 2688318720

約数和(自身を除く): 666498775

約数列:

[1, 5, 17, 23, 85, 115, 391, 401, 1955, 2005, 2579, 6817, 9223, 12895, 34085, 43843, 46115, 59317, 156791, 219215, 296585, 783955, 1008389, 1034179, 5041945, 5170895, 17581043, 23786117, 87905215, 118930585, 404363989, 2021819945]

約数ペア:

[(1, 2021819945), (5, 404363989), (17, 118930585), (23, 87905215), (85, 23786117), (115, 17581043), (391, 5170895), (401, 5041945), (1955, 1034179), (2005, 1008389), (2579, 783955), (6817, 296585), (9223, 219215), (12895, 156791), (34085, 59317), (43843, 46115)]