25446824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 56019600

約数和(自身を除く): 30572776

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 221, 296, 389, 442, 481, 629, 778, 884, 962, 1258, 1556, 1768, 1924, 2516, 3112, 3848, 5032, 5057, 6613, 8177, 10114, 13226, 14393, 16354, 20228, 26452, 28786, 32708, 40456, 52904, 57572, 65416, 85969, 115144, 171938, 187109, 244681, 343876, 374218, 489362, 687752, 748436, 978724, 1496872, 1957448, 3180853, 6361706, 12723412, 25446824]

約数ペア:

[(1, 25446824), (2, 12723412), (4, 6361706), (8, 3180853), (13, 1957448), (17, 1496872), (26, 978724), (34, 748436), (37, 687752), (52, 489362), (68, 374218), (74, 343876), (104, 244681), (136, 187109), (148, 171938), (221, 115144), (296, 85969), (389, 65416), (442, 57572), (481, 52904), (629, 40456), (778, 32708), (884, 28786), (962, 26452), (1258, 20228), (1556, 16354), (1768, 14393), (1924, 13226), (2516, 10114), (3112, 8177), (3848, 6613), (5032, 5057)]