207782778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1323

約数の個数: 64

約数和(自身を含む): 490199040

約数和(自身を除く): 282416262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 71, 118, 142, 177, 213, 354, 413, 426, 497, 826, 994, 1181, 1239, 1491, 2362, 2478, 2982, 3543, 4189, 7086, 8267, 8378, 12567, 16534, 24801, 25134, 29323, 49602, 58646, 69679, 83851, 87969, 139358, 167702, 175938, 209037, 251553, 418074, 487753, 503106, 586957, 975506, 1173914, 1463259, 1760871, 2926518, 3521742, 4947209, 9894418, 14841627, 29683254, 34630463, 69260926, 103891389, 207782778]

約数ペア:

[(1, 207782778), (2, 103891389), (3, 69260926), (6, 34630463), (7, 29683254), (14, 14841627), (21, 9894418), (42, 4947209), (59, 3521742), (71, 2926518), (118, 1760871), (142, 1463259), (177, 1173914), (213, 975506), (354, 586957), (413, 503106), (426, 487753), (497, 418074), (826, 251553), (994, 209037), (1181, 175938), (1239, 167702), (1491, 139358), (2362, 87969), (2478, 83851), (2982, 69679), (3543, 58646), (4189, 49602), (7086, 29323), (8267, 25134), (8378, 24801), (12567, 16534)]