28290724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3016

約数の個数: 48

約数和(自身を含む): 63737856

約数和(自身を除く): 35447132

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 2963, 4774, 5926, 9548, 11852, 20741, 32593, 41482, 65186, 82964, 91853, 130372, 183706, 228151, 367412, 456302, 642971, 912604, 1010383, 1285942, 2020766, 2571884, 4041532, 7072681, 14145362, 28290724]

約数ペア:

[(1, 28290724), (2, 14145362), (4, 7072681), (7, 4041532), (11, 2571884), (14, 2020766), (22, 1285942), (28, 1010383), (31, 912604), (44, 642971), (62, 456302), (77, 367412), (124, 228151), (154, 183706), (217, 130372), (308, 91853), (341, 82964), (434, 65186), (682, 41482), (868, 32593), (1364, 20741), (2387, 11852), (2963, 9548), (4774, 5926)]