15131816

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 34108800

約数和(自身を除く): 18976984

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 67, 74, 109, 134, 148, 218, 259, 268, 296, 436, 469, 518, 536, 763, 872, 938, 1036, 1526, 1876, 2072, 2479, 3052, 3752, 4033, 4958, 6104, 7303, 8066, 9916, 14606, 16132, 17353, 19832, 28231, 29212, 32264, 34706, 51121, 56462, 58424, 69412, 102242, 112924, 138824, 204484, 225848, 270211, 408968, 540422, 1080844, 1891477, 2161688, 3782954, 7565908, 15131816]

約数ペア:

[(1, 15131816), (2, 7565908), (4, 3782954), (7, 2161688), (8, 1891477), (14, 1080844), (28, 540422), (37, 408968), (56, 270211), (67, 225848), (74, 204484), (109, 138824), (134, 112924), (148, 102242), (218, 69412), (259, 58424), (268, 56462), (296, 51121), (436, 34706), (469, 32264), (518, 29212), (536, 28231), (763, 19832), (872, 17353), (938, 16132), (1036, 14606), (1526, 9916), (1876, 8066), (2072, 7303), (2479, 6104), (3052, 4958), (3752, 4033)]