47900237

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 69341184

約数和(自身を除く): 21440947

約数列:

[1, 7, 11, 17, 23, 37, 43, 77, 119, 161, 187, 253, 259, 301, 391, 407, 473, 629, 731, 851, 989, 1309, 1591, 1771, 2737, 2849, 3311, 4301, 4403, 5117, 5957, 6919, 6923, 8041, 9361, 10879, 11137, 14467, 16813, 17501, 27047, 30107, 36593, 48433, 56287, 65527, 76153, 101269, 117691, 122507, 159137, 184943, 189329, 256151, 297517, 402523, 622081, 1113959, 1294601, 2082619, 2817661, 4354567, 6842891, 47900237]

約数ペア:

[(1, 47900237), (7, 6842891), (11, 4354567), (17, 2817661), (23, 2082619), (37, 1294601), (43, 1113959), (77, 622081), (119, 402523), (161, 297517), (187, 256151), (253, 189329), (259, 184943), (301, 159137), (391, 122507), (407, 117691), (473, 101269), (629, 76153), (731, 65527), (851, 56287), (989, 48433), (1309, 36593), (1591, 30107), (1771, 27047), (2737, 17501), (2849, 16813), (3311, 14467), (4301, 11137), (4403, 10879), (5117, 9361), (5957, 8041), (6919, 6923)]