28308978

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 65909376

約数和(自身を除く): 37600398

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 71, 102, 142, 153, 213, 306, 426, 639, 1207, 1278, 1303, 2414, 2606, 3621, 3909, 7242, 7818, 10863, 11727, 21726, 22151, 23454, 44302, 66453, 92513, 132906, 185026, 199359, 277539, 398718, 555078, 832617, 1572721, 1665234, 3145442, 4718163, 9436326, 14154489, 28308978]

約数ペア:

[(1, 28308978), (2, 14154489), (3, 9436326), (6, 4718163), (9, 3145442), (17, 1665234), (18, 1572721), (34, 832617), (51, 555078), (71, 398718), (102, 277539), (142, 199359), (153, 185026), (213, 132906), (306, 92513), (426, 66453), (639, 44302), (1207, 23454), (1278, 22151), (1303, 21726), (2414, 11727), (2606, 10863), (3621, 7818), (3909, 7242)]