28574875

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 43677504

約数和(自身を除く): 15102629

約数列:

[1, 5, 7, 17, 25, 35, 85, 113, 119, 125, 175, 289, 425, 565, 595, 791, 875, 1445, 1921, 2023, 2125, 2825, 2975, 3955, 7225, 9605, 10115, 13447, 14125, 14875, 19775, 32657, 36125, 48025, 50575, 67235, 98875, 163285, 228599, 240125, 252875, 336175, 816425, 1142995, 1680875, 4082125, 5714975, 28574875]

約数ペア:

[(1, 28574875), (5, 5714975), (7, 4082125), (17, 1680875), (25, 1142995), (35, 816425), (85, 336175), (113, 252875), (119, 240125), (125, 228599), (175, 163285), (289, 98875), (425, 67235), (565, 50575), (595, 48025), (791, 36125), (875, 32657), (1445, 19775), (1921, 14875), (2023, 14125), (2125, 13447), (2825, 10115), (2975, 9605), (3955, 7225)]