155381765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 245956608

約数和(自身を除く): 90574843

約数列:

[1, 5, 7, 11, 31, 35, 47, 55, 77, 155, 217, 235, 277, 329, 341, 385, 517, 1085, 1385, 1457, 1645, 1705, 1939, 2387, 2585, 3047, 3619, 7285, 8587, 9695, 10199, 11935, 13019, 15235, 16027, 18095, 21329, 42935, 50995, 60109, 65095, 80135, 91133, 94457, 106645, 112189, 143209, 300545, 403589, 455665, 472285, 560945, 661199, 716045, 1002463, 2017945, 2825123, 3305995, 4439479, 5012315, 14125615, 22197395, 31076353, 155381765]

約数ペア:

[(1, 155381765), (5, 31076353), (7, 22197395), (11, 14125615), (31, 5012315), (35, 4439479), (47, 3305995), (55, 2825123), (77, 2017945), (155, 1002463), (217, 716045), (235, 661199), (277, 560945), (329, 472285), (341, 455665), (385, 403589), (517, 300545), (1085, 143209), (1385, 112189), (1457, 106645), (1645, 94457), (1705, 91133), (1939, 80135), (2387, 65095), (2585, 60109), (3047, 50995), (3619, 42935), (7285, 21329), (8587, 18095), (9695, 16027), (10199, 15235), (11935, 13019)]