28620158

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 51192000

約数和(自身を除く): 22571842

約数列:

[1, 2, 7, 14, 29, 58, 157, 203, 314, 406, 449, 898, 1099, 2198, 3143, 4553, 6286, 9106, 13021, 26042, 31871, 63742, 70493, 91147, 140986, 182294, 493451, 986902, 2044297, 4088594, 14310079, 28620158]

約数ペア:

[(1, 28620158), (2, 14310079), (7, 4088594), (14, 2044297), (29, 986902), (58, 493451), (157, 182294), (203, 140986), (314, 91147), (406, 70493), (449, 63742), (898, 31871), (1099, 26042), (2198, 13021), (3143, 9106), (4553, 6286)]