28161868

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2711}}^1$

素因数の和:2782

約数の個数: 36

約数和(自身を含む): 58432752

約数和(自身を除く): 30270884

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2597, 2711, 5194, 5422, 10388, 10844, 18977, 37954, 75908, 132839, 143683, 265678, 287366, 531356, 574732, 1005781, 2011562, 4023124, 7040467, 14080934, 28161868]

約数ペア:

[(1, 28161868), (2, 14080934), (4, 7040467), (7, 4023124), (14, 2011562), (28, 1005781), (49, 574732), (53, 531356), (98, 287366), (106, 265678), (196, 143683), (212, 132839), (371, 75908), (742, 37954), (1484, 18977), (2597, 10844), (2711, 10388), (5194, 5422)]