51554125

素因数分解:

$5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 78960960

約数和(自身を除く): 27406835

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 125, 133, 175, 245, 443, 475, 665, 875, 931, 1225, 2215, 2375, 3101, 3325, 4655, 6125, 8417, 11075, 15505, 16625, 21707, 23275, 42085, 55375, 58919, 77525, 108535, 116375, 210425, 294595, 387625, 412433, 542675, 1052125, 1472975, 2062165, 2713375, 7364875, 10310825, 51554125]

約数ペア:

[(1, 51554125), (5, 10310825), (7, 7364875), (19, 2713375), (25, 2062165), (35, 1472975), (49, 1052125), (95, 542675), (125, 412433), (133, 387625), (175, 294595), (245, 210425), (443, 116375), (475, 108535), (665, 77525), (875, 58919), (931, 55375), (1225, 42085), (2215, 23275), (2375, 21707), (3101, 16625), (3325, 15505), (4655, 11075), (6125, 8417)]