66879905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 88646400

約数和(自身を除く): 21766495

約数列:

[1, 5, 19, 37, 53, 95, 185, 265, 359, 703, 1007, 1795, 1961, 3515, 5035, 6821, 9805, 13283, 19027, 34105, 37259, 66415, 95135, 186295, 252377, 361513, 703999, 1261885, 1807565, 3519995, 13375981, 66879905]

約数ペア:

[(1, 66879905), (5, 13375981), (19, 3519995), (37, 1807565), (53, 1261885), (95, 703999), (185, 361513), (265, 252377), (359, 186295), (703, 95135), (1007, 66415), (1795, 37259), (1961, 34105), (3515, 19027), (5035, 13283), (6821, 9805)]