25928656

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 60

約数和(自身を含む): 55913088

約数和(自身を除く): 29984432

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 169, 172, 208, 223, 338, 344, 446, 559, 676, 688, 892, 1118, 1352, 1784, 2236, 2704, 2899, 3568, 4472, 5798, 7267, 8944, 9589, 11596, 14534, 19178, 23192, 29068, 37687, 38356, 46384, 58136, 75374, 76712, 116272, 124657, 150748, 153424, 249314, 301496, 498628, 602992, 997256, 1620541, 1994512, 3241082, 6482164, 12964328, 25928656]

約数ペア:

[(1, 25928656), (2, 12964328), (4, 6482164), (8, 3241082), (13, 1994512), (16, 1620541), (26, 997256), (43, 602992), (52, 498628), (86, 301496), (104, 249314), (169, 153424), (172, 150748), (208, 124657), (223, 116272), (338, 76712), (344, 75374), (446, 58136), (559, 46384), (676, 38356), (688, 37687), (892, 29068), (1118, 23192), (1352, 19178), (1784, 14534), (2236, 11596), (2704, 9589), (2899, 8944), (3568, 7267), (4472, 5798)]