81463228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6451}}^1$

素因数の和:6514

約数の個数: 48

約数和(自身を含む): 182101248

約数和(自身を除く): 100638020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1804, 3157, 6314, 6451, 12628, 12902, 25804, 45157, 70961, 90314, 141922, 180628, 264491, 283844, 496727, 528982, 993454, 1057964, 1851437, 1986908, 2909401, 3702874, 5818802, 7405748, 11637604, 20365807, 40731614, 81463228]

約数ペア:

[(1, 81463228), (2, 40731614), (4, 20365807), (7, 11637604), (11, 7405748), (14, 5818802), (22, 3702874), (28, 2909401), (41, 1986908), (44, 1851437), (77, 1057964), (82, 993454), (154, 528982), (164, 496727), (287, 283844), (308, 264491), (451, 180628), (574, 141922), (902, 90314), (1148, 70961), (1804, 45157), (3157, 25804), (6314, 12902), (6451, 12628)]