25461254

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 51072000

約数和(自身を除く): 25610746

約数列:

[1, 2, 7, 13, 14, 19, 26, 37, 38, 74, 91, 133, 182, 199, 247, 259, 266, 398, 481, 494, 518, 703, 962, 1393, 1406, 1729, 2587, 2786, 3367, 3458, 3781, 4921, 5174, 6734, 7363, 7562, 9139, 9842, 14726, 18109, 18278, 26467, 36218, 49153, 51541, 52934, 63973, 95719, 98306, 103082, 127946, 139897, 191438, 279794, 344071, 670033, 688142, 979279, 1340066, 1818661, 1958558, 3637322, 12730627, 25461254]

約数ペア:

[(1, 25461254), (2, 12730627), (7, 3637322), (13, 1958558), (14, 1818661), (19, 1340066), (26, 979279), (37, 688142), (38, 670033), (74, 344071), (91, 279794), (133, 191438), (182, 139897), (199, 127946), (247, 103082), (259, 98306), (266, 95719), (398, 63973), (481, 52934), (494, 51541), (518, 49153), (703, 36218), (962, 26467), (1393, 18278), (1406, 18109), (1729, 14726), (2587, 9842), (2786, 9139), (3367, 7562), (3458, 7363), (3781, 6734), (4921, 5174)]