28451164

素因数分解:

$2^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 30516836

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 233, 343, 356, 466, 623, 686, 932, 1246, 1372, 1631, 2492, 3262, 4361, 6524, 8722, 11417, 17444, 20737, 22834, 30527, 41474, 45668, 61054, 79919, 82948, 122108, 145159, 159838, 290318, 319676, 580636, 1016113, 2032226, 4064452, 7112791, 14225582, 28451164]

約数ペア:

[(1, 28451164), (2, 14225582), (4, 7112791), (7, 4064452), (14, 2032226), (28, 1016113), (49, 580636), (89, 319676), (98, 290318), (178, 159838), (196, 145159), (233, 122108), (343, 82948), (356, 79919), (466, 61054), (623, 45668), (686, 41474), (932, 30527), (1246, 22834), (1372, 20737), (1631, 17444), (2492, 11417), (3262, 8722), (4361, 6524)]