25405276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 27091364

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 442, 493, 754, 884, 986, 991, 1508, 1972, 1982, 3964, 6409, 12818, 12883, 16847, 25636, 25766, 28739, 33694, 51532, 57478, 67388, 114956, 219011, 373607, 438022, 488563, 747214, 876044, 977126, 1494428, 1954252, 6351319, 12702638, 25405276]

約数ペア:

[(1, 25405276), (2, 12702638), (4, 6351319), (13, 1954252), (17, 1494428), (26, 977126), (29, 876044), (34, 747214), (52, 488563), (58, 438022), (68, 373607), (116, 219011), (221, 114956), (377, 67388), (442, 57478), (493, 51532), (754, 33694), (884, 28739), (986, 25766), (991, 25636), (1508, 16847), (1972, 12883), (1982, 12818), (3964, 6409)]