15147748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 35392896

約数和(自身を除く): 20245148

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 263, 308, 374, 476, 484, 526, 748, 847, 1052, 1309, 1694, 1841, 2057, 2618, 2893, 3388, 3682, 4114, 4471, 5236, 5786, 7364, 8228, 8942, 11572, 14399, 17884, 20251, 28798, 31297, 31823, 40502, 49181, 57596, 62594, 63646, 81004, 98362, 125188, 127292, 196724, 222761, 344267, 445522, 540991, 688534, 891044, 1081982, 1377068, 2163964, 3786937, 7573874, 15147748]

約数ペア:

[(1, 15147748), (2, 7573874), (4, 3786937), (7, 2163964), (11, 1377068), (14, 1081982), (17, 891044), (22, 688534), (28, 540991), (34, 445522), (44, 344267), (68, 222761), (77, 196724), (119, 127292), (121, 125188), (154, 98362), (187, 81004), (238, 63646), (242, 62594), (263, 57596), (308, 49181), (374, 40502), (476, 31823), (484, 31297), (526, 28798), (748, 20251), (847, 17884), (1052, 14399), (1309, 11572), (1694, 8942), (1841, 8228), (2057, 7364), (2618, 5786), (2893, 5236), (3388, 4471), (3682, 4114)]