258672752

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:658

約数の個数: 60

約数和(自身を含む): 546241824

約数和(自身を除く): 287569072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 271, 338, 353, 542, 676, 706, 1084, 1352, 1412, 2168, 2704, 2824, 3523, 4336, 4589, 5648, 7046, 9178, 14092, 18356, 28184, 36712, 45799, 56368, 59657, 73424, 91598, 95663, 119314, 183196, 191326, 238628, 366392, 382652, 477256, 732784, 765304, 954512, 1243619, 1530608, 2487238, 4974476, 9948952, 16167047, 19897904, 32334094, 64668188, 129336376, 258672752]

約数ペア:

[(1, 258672752), (2, 129336376), (4, 64668188), (8, 32334094), (13, 19897904), (16, 16167047), (26, 9948952), (52, 4974476), (104, 2487238), (169, 1530608), (208, 1243619), (271, 954512), (338, 765304), (353, 732784), (542, 477256), (676, 382652), (706, 366392), (1084, 238628), (1352, 191326), (1412, 183196), (2168, 119314), (2704, 95663), (2824, 91598), (3523, 73424), (4336, 59657), (4589, 56368), (5648, 45799), (7046, 36712), (9178, 28184), (14092, 18356)]