8661978

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:490

約数の個数: 56

約数和(自身を含む): 21024948

約数和(自身を除く): 12362970

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 457, 486, 702, 729, 914, 1053, 1371, 1458, 2106, 2742, 3159, 4113, 5941, 6318, 8226, 9477, 11882, 12339, 17823, 18954, 24678, 35646, 37017, 53469, 74034, 106938, 111051, 160407, 222102, 320814, 333153, 481221, 666306, 962442, 1443663, 2887326, 4330989, 8661978]

約数ペア:

[(1, 8661978), (2, 4330989), (3, 2887326), (6, 1443663), (9, 962442), (13, 666306), (18, 481221), (26, 333153), (27, 320814), (39, 222102), (54, 160407), (78, 111051), (81, 106938), (117, 74034), (162, 53469), (234, 37017), (243, 35646), (351, 24678), (457, 18954), (486, 17823), (702, 12339), (729, 11882), (914, 9477), (1053, 8226), (1371, 6318), (1458, 5941), (2106, 4113), (2742, 3159)]