66823855

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 106997760

約数和(自身を除く): 40173905

約数列:

[1, 5, 7, 17, 19, 23, 35, 85, 95, 115, 119, 133, 161, 257, 323, 391, 437, 595, 665, 805, 1285, 1615, 1799, 1955, 2185, 2261, 2737, 3059, 4369, 4883, 5911, 7429, 8995, 11305, 13685, 15295, 21845, 24415, 29555, 30583, 34181, 37145, 41377, 52003, 83011, 100487, 112309, 152915, 170905, 206885, 260015, 415055, 502435, 561545, 581077, 703409, 786163, 1909253, 2905385, 3517045, 3930815, 9546265, 13364771, 66823855]

約数ペア:

[(1, 66823855), (5, 13364771), (7, 9546265), (17, 3930815), (19, 3517045), (23, 2905385), (35, 1909253), (85, 786163), (95, 703409), (115, 581077), (119, 561545), (133, 502435), (161, 415055), (257, 260015), (323, 206885), (391, 170905), (437, 152915), (595, 112309), (665, 100487), (805, 83011), (1285, 52003), (1615, 41377), (1799, 37145), (1955, 34181), (2185, 30583), (2261, 29555), (2737, 24415), (3059, 21845), (4369, 15295), (4883, 13685), (5911, 11305), (7429, 8995)]