261607356

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9941}}^1$

素因数の和:10011

約数の個数: 72

約数和(自身を含む): 716539824

約数和(自身を除く): 454932468

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 774, 1462, 1548, 2193, 2924, 4386, 6579, 8772, 9941, 13158, 19882, 26316, 29823, 39764, 59646, 89469, 119292, 168997, 178938, 337994, 357876, 427463, 506991, 675988, 854926, 1013982, 1282389, 1520973, 1709852, 2027964, 2564778, 3041946, 3847167, 5129556, 6083892, 7266871, 7694334, 14533742, 15388668, 21800613, 29067484, 43601226, 65401839, 87202452, 130803678, 261607356]

約数ペア:

[(1, 261607356), (2, 130803678), (3, 87202452), (4, 65401839), (6, 43601226), (9, 29067484), (12, 21800613), (17, 15388668), (18, 14533742), (34, 7694334), (36, 7266871), (43, 6083892), (51, 5129556), (68, 3847167), (86, 3041946), (102, 2564778), (129, 2027964), (153, 1709852), (172, 1520973), (204, 1282389), (258, 1013982), (306, 854926), (387, 675988), (516, 506991), (612, 427463), (731, 357876), (774, 337994), (1462, 178938), (1548, 168997), (2193, 119292), (2924, 89469), (4386, 59646), (6579, 39764), (8772, 29823), (9941, 26316), (13158, 19882)]