28812175

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 43425792

約数和(自身を除く): 14613617

約数列:

[1, 5, 7, 25, 31, 35, 47, 113, 155, 175, 217, 235, 329, 565, 775, 791, 1085, 1175, 1457, 1645, 2825, 3503, 3955, 5311, 5425, 7285, 8225, 10199, 17515, 19775, 24521, 26555, 36425, 37177, 50995, 87575, 122605, 132775, 164641, 185885, 254975, 613025, 823205, 929425, 1152487, 4116025, 5762435, 28812175]

約数ペア:

[(1, 28812175), (5, 5762435), (7, 4116025), (25, 1152487), (31, 929425), (35, 823205), (47, 613025), (113, 254975), (155, 185885), (175, 164641), (217, 132775), (235, 122605), (329, 87575), (565, 50995), (775, 37177), (791, 36425), (1085, 26555), (1175, 24521), (1457, 19775), (1645, 17515), (2825, 10199), (3503, 8225), (3955, 7285), (5311, 5425)]