128889475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 193987584

約数和(自身を除く): 65098109

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 143, 155, 275, 325, 341, 403, 715, 775, 1163, 1705, 2015, 3575, 4433, 5815, 8525, 10075, 12793, 15119, 22165, 29075, 36053, 63965, 75595, 110825, 166309, 180265, 319825, 377975, 396583, 468689, 831545, 901325, 1982915, 2343445, 4157725, 5155579, 9914575, 11717225, 25777895, 128889475]

約数ペア:

[(1, 128889475), (5, 25777895), (11, 11717225), (13, 9914575), (25, 5155579), (31, 4157725), (55, 2343445), (65, 1982915), (143, 901325), (155, 831545), (275, 468689), (325, 396583), (341, 377975), (403, 319825), (715, 180265), (775, 166309), (1163, 110825), (1705, 75595), (2015, 63965), (3575, 36053), (4433, 29075), (5815, 22165), (8525, 15119), (10075, 12793)]