28377125

素因数分解:

$5^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 42574896

約数和(自身を除く): 14197771

約数列:

[1, 5, 7, 25, 35, 41, 49, 113, 125, 175, 205, 245, 287, 565, 791, 875, 1025, 1225, 1435, 2009, 2825, 3955, 4633, 5125, 5537, 6125, 7175, 10045, 14125, 19775, 23165, 27685, 32431, 35875, 50225, 98875, 115825, 138425, 162155, 227017, 251125, 579125, 692125, 810775, 1135085, 4053875, 5675425, 28377125]

約数ペア:

[(1, 28377125), (5, 5675425), (7, 4053875), (25, 1135085), (35, 810775), (41, 692125), (49, 579125), (113, 251125), (125, 227017), (175, 162155), (205, 138425), (245, 115825), (287, 98875), (565, 50225), (791, 35875), (875, 32431), (1025, 27685), (1225, 23165), (1435, 19775), (2009, 14125), (2825, 10045), (3955, 7175), (4633, 6125), (5125, 5537)]