25052804

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 52026240

約数和(自身を除く): 26973436

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 139, 157, 164, 278, 287, 314, 556, 574, 628, 973, 1099, 1148, 1946, 2198, 3892, 4396, 5699, 6437, 11398, 12874, 21823, 22796, 25748, 39893, 43646, 45059, 79786, 87292, 90118, 152761, 159572, 180236, 305522, 611044, 894743, 1789486, 3578972, 6263201, 12526402, 25052804]

約数ペア:

[(1, 25052804), (2, 12526402), (4, 6263201), (7, 3578972), (14, 1789486), (28, 894743), (41, 611044), (82, 305522), (139, 180236), (157, 159572), (164, 152761), (278, 90118), (287, 87292), (314, 79786), (556, 45059), (574, 43646), (628, 39893), (973, 25748), (1099, 22796), (1148, 21823), (1946, 12874), (2198, 11398), (3892, 6437), (4396, 5699)]