257443722

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{1759}}^1$

素因数の和:1987

約数の個数: 48

約数和(自身を含む): 573281280

約数和(自身を除く): 315837558

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 173, 282, 346, 423, 519, 846, 1038, 1557, 1759, 3114, 3518, 5277, 8131, 10554, 15831, 16262, 24393, 31662, 48786, 73179, 82673, 146358, 165346, 248019, 304307, 496038, 608614, 744057, 912921, 1488114, 1825842, 2738763, 5477526, 14302429, 28604858, 42907287, 85814574, 128721861, 257443722]

約数ペア:

[(1, 257443722), (2, 128721861), (3, 85814574), (6, 42907287), (9, 28604858), (18, 14302429), (47, 5477526), (94, 2738763), (141, 1825842), (173, 1488114), (282, 912921), (346, 744057), (423, 608614), (519, 496038), (846, 304307), (1038, 248019), (1557, 165346), (1759, 146358), (3114, 82673), (3518, 73179), (5277, 48786), (8131, 31662), (10554, 24393), (15831, 16262)]