28141876

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2143}}^1$

素因数の和:2228

約数の個数: 36

約数和(自身を含む): 58171008

約数和(自身を除く): 30029132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1876, 2143, 3283, 4286, 6566, 8572, 13132, 15001, 30002, 60004, 105007, 143581, 210014, 287162, 420028, 574324, 1005067, 2010134, 4020268, 7035469, 14070938, 28141876]

約数ペア:

[(1, 28141876), (2, 14070938), (4, 7035469), (7, 4020268), (14, 2010134), (28, 1005067), (49, 574324), (67, 420028), (98, 287162), (134, 210014), (196, 143581), (268, 105007), (469, 60004), (938, 30002), (1876, 15001), (2143, 13132), (3283, 8572), (4286, 6566)]