25439652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 74075456

約数和(自身を除く): 48635804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 643, 942, 1099, 1286, 1413, 1884, 1929, 2198, 2572, 2826, 3297, 3858, 4396, 4501, 5652, 5787, 6594, 7716, 9002, 9891, 11574, 13188, 13503, 18004, 19782, 23148, 27006, 39564, 40509, 54012, 81018, 100951, 162036, 201902, 302853, 403804, 605706, 706657, 908559, 1211412, 1413314, 1817118, 2119971, 2826628, 3634236, 4239942, 6359913, 8479884, 12719826, 25439652]

約数ペア:

[(1, 25439652), (2, 12719826), (3, 8479884), (4, 6359913), (6, 4239942), (7, 3634236), (9, 2826628), (12, 2119971), (14, 1817118), (18, 1413314), (21, 1211412), (28, 908559), (36, 706657), (42, 605706), (63, 403804), (84, 302853), (126, 201902), (157, 162036), (252, 100951), (314, 81018), (471, 54012), (628, 40509), (643, 39564), (942, 27006), (1099, 23148), (1286, 19782), (1413, 18004), (1884, 13503), (1929, 13188), (2198, 11574), (2572, 9891), (2826, 9002), (3297, 7716), (3858, 6594), (4396, 5787), (4501, 5652)]