28308906

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^2\times {\mathrm{991}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 65829120

約数和(自身を除く): 37520214

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 529, 621, 991, 1058, 1242, 1587, 1982, 2973, 3174, 4761, 5946, 8919, 9522, 14283, 17838, 22793, 26757, 28566, 45586, 53514, 68379, 136758, 205137, 410274, 524239, 615411, 1048478, 1230822, 1572717, 3145434, 4718151, 9436302, 14154453, 28308906]

約数ペア:

[(1, 28308906), (2, 14154453), (3, 9436302), (6, 4718151), (9, 3145434), (18, 1572717), (23, 1230822), (27, 1048478), (46, 615411), (54, 524239), (69, 410274), (138, 205137), (207, 136758), (414, 68379), (529, 53514), (621, 45586), (991, 28566), (1058, 26757), (1242, 22793), (1587, 17838), (1982, 14283), (2973, 9522), (3174, 8919), (4761, 5946)]