26747875

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 42468192

約数和(自身を除く): 15720317

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 125, 175, 245, 275, 385, 397, 539, 875, 1225, 1375, 1925, 1985, 2695, 2779, 4367, 6125, 9625, 9925, 13475, 13895, 19453, 21835, 30569, 49625, 67375, 69475, 97265, 109175, 152845, 213983, 347375, 486325, 545875, 764225, 1069915, 2431625, 3821125, 5349575, 26747875]

約数ペア:

[(1, 26747875), (5, 5349575), (7, 3821125), (11, 2431625), (25, 1069915), (35, 764225), (49, 545875), (55, 486325), (77, 347375), (125, 213983), (175, 152845), (245, 109175), (275, 97265), (385, 69475), (397, 67375), (539, 49625), (875, 30569), (1225, 21835), (1375, 19453), (1925, 13895), (1985, 13475), (2695, 9925), (2779, 9625), (4367, 6125)]