1285667355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{1439}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 2406481920

約数和(自身を除く): 1120814565

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 127, 201, 335, 381, 469, 635, 889, 1005, 1407, 1439, 1905, 2345, 2667, 4317, 4445, 7035, 7195, 8509, 10073, 13335, 21585, 25527, 30219, 42545, 50365, 59563, 96413, 127635, 151095, 178689, 182753, 289239, 297815, 482065, 548259, 674891, 893445, 913765, 1279271, 1446195, 2024673, 2741295, 3374455, 3837813, 6396355, 10123365, 12244451, 19189065, 36733353, 61222255, 85711157, 183666765, 257133471, 428555785, 1285667355]

約数ペア:

[(1, 1285667355), (3, 428555785), (5, 257133471), (7, 183666765), (15, 85711157), (21, 61222255), (35, 36733353), (67, 19189065), (105, 12244451), (127, 10123365), (201, 6396355), (335, 3837813), (381, 3374455), (469, 2741295), (635, 2024673), (889, 1446195), (1005, 1279271), (1407, 913765), (1439, 893445), (1905, 674891), (2345, 548259), (2667, 482065), (4317, 297815), (4445, 289239), (7035, 182753), (7195, 178689), (8509, 151095), (10073, 127635), (13335, 96413), (21585, 59563), (25527, 50365), (30219, 42545)]