28212877

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3079}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 9708083

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 3079, 9163, 21553, 33869, 52343, 150871, 237083, 366401, 575773, 1659581, 2564807, 4030411, 28212877]

約数ペア:

[(1, 28212877), (7, 4030411), (11, 2564807), (17, 1659581), (49, 575773), (77, 366401), (119, 237083), (187, 150871), (539, 52343), (833, 33869), (1309, 21553), (3079, 9163)]