405806128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2557}}^1$

素因数の和:2694

約数の個数: 80

約数和(自身を含む): 976951360

約数和(自身を除く): 571145232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 109, 112, 182, 208, 218, 364, 436, 728, 763, 872, 1417, 1456, 1526, 1744, 2557, 2834, 3052, 5114, 5668, 6104, 9919, 10228, 11336, 12208, 17899, 19838, 20456, 22672, 33241, 35798, 39676, 40912, 66482, 71596, 79352, 132964, 143192, 158704, 232687, 265928, 278713, 286384, 465374, 531856, 557426, 930748, 1114852, 1861496, 1950991, 2229704, 3623269, 3722992, 3901982, 4459408, 7246538, 7803964, 14493076, 15607928, 25362883, 28986152, 31215856, 50725766, 57972304, 101451532, 202903064, 405806128]

約数ペア:

[(1, 405806128), (2, 202903064), (4, 101451532), (7, 57972304), (8, 50725766), (13, 31215856), (14, 28986152), (16, 25362883), (26, 15607928), (28, 14493076), (52, 7803964), (56, 7246538), (91, 4459408), (104, 3901982), (109, 3722992), (112, 3623269), (182, 2229704), (208, 1950991), (218, 1861496), (364, 1114852), (436, 930748), (728, 557426), (763, 531856), (872, 465374), (1417, 286384), (1456, 278713), (1526, 265928), (1744, 232687), (2557, 158704), (2834, 143192), (3052, 132964), (5114, 79352), (5668, 71596), (6104, 66482), (9919, 40912), (10228, 39676), (11336, 35798), (12208, 33241), (17899, 22672), (19838, 20456)]