28118904

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2477}}^1$

素因数の和:2540

約数の個数: 64

約数和(自身を含む): 78503040

約数和(自身を除く): 50384136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1892, 2477, 2838, 3784, 4954, 5676, 7431, 9908, 11352, 14862, 19816, 27247, 29724, 54494, 59448, 81741, 106511, 108988, 163482, 213022, 217976, 319533, 326964, 426044, 639066, 653928, 852088, 1171621, 1278132, 2343242, 2556264, 3514863, 4686484, 7029726, 9372968, 14059452, 28118904]

約数ペア:

[(1, 28118904), (2, 14059452), (3, 9372968), (4, 7029726), (6, 4686484), (8, 3514863), (11, 2556264), (12, 2343242), (22, 1278132), (24, 1171621), (33, 852088), (43, 653928), (44, 639066), (66, 426044), (86, 326964), (88, 319533), (129, 217976), (132, 213022), (172, 163482), (258, 108988), (264, 106511), (344, 81741), (473, 59448), (516, 54494), (946, 29724), (1032, 27247), (1419, 19816), (1892, 14862), (2477, 11352), (2838, 9908), (3784, 7431), (4954, 5676)]