28687946

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 53592192

約数和(自身を除く): 24904246

約数列:

[1, 2, 7, 14, 23, 41, 46, 53, 82, 106, 161, 287, 322, 371, 574, 742, 943, 1219, 1681, 1886, 2173, 2438, 3362, 4346, 6601, 8533, 11767, 13202, 15211, 17066, 23534, 30422, 38663, 49979, 77326, 89093, 99958, 178186, 270641, 349853, 541282, 623651, 699706, 1247302, 2049139, 4098278, 14343973, 28687946]

約数ペア:

[(1, 28687946), (2, 14343973), (7, 4098278), (14, 2049139), (23, 1247302), (41, 699706), (46, 623651), (53, 541282), (82, 349853), (106, 270641), (161, 178186), (287, 99958), (322, 89093), (371, 77326), (574, 49979), (742, 38663), (943, 30422), (1219, 23534), (1681, 17066), (1886, 15211), (2173, 13202), (2438, 11767), (3362, 8533), (4346, 6601)]