28046375

素因数分解:

$5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 43037280

約数和(自身を除く): 14990905

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 125, 133, 175, 241, 245, 475, 665, 875, 931, 1205, 1225, 1687, 2375, 3325, 4579, 4655, 6025, 6125, 8435, 11809, 16625, 22895, 23275, 30125, 32053, 42175, 59045, 114475, 116375, 160265, 210875, 224371, 295225, 572375, 801325, 1121855, 1476125, 4006625, 5609275, 28046375]

約数ペア:

[(1, 28046375), (5, 5609275), (7, 4006625), (19, 1476125), (25, 1121855), (35, 801325), (49, 572375), (95, 295225), (125, 224371), (133, 210875), (175, 160265), (241, 116375), (245, 114475), (475, 59045), (665, 42175), (875, 32053), (931, 30125), (1205, 23275), (1225, 22895), (1687, 16625), (2375, 11809), (3325, 8435), (4579, 6125), (4655, 6025)]