251036656

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:650

約数の個数: 60

約数和(自身を含む): 530175888

約数和(自身を除く): 279139232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 263, 338, 353, 526, 676, 706, 1052, 1352, 1412, 2104, 2704, 2824, 3419, 4208, 4589, 5648, 6838, 9178, 13676, 18356, 27352, 36712, 44447, 54704, 59657, 73424, 88894, 92839, 119314, 177788, 185678, 238628, 355576, 371356, 477256, 711152, 742712, 954512, 1206907, 1485424, 2413814, 4827628, 9655256, 15689791, 19310512, 31379582, 62759164, 125518328, 251036656]

約数ペア:

[(1, 251036656), (2, 125518328), (4, 62759164), (8, 31379582), (13, 19310512), (16, 15689791), (26, 9655256), (52, 4827628), (104, 2413814), (169, 1485424), (208, 1206907), (263, 954512), (338, 742712), (353, 711152), (526, 477256), (676, 371356), (706, 355576), (1052, 238628), (1352, 185678), (1412, 177788), (2104, 119314), (2704, 92839), (2824, 88894), (3419, 73424), (4208, 59657), (4589, 54704), (5648, 44447), (6838, 36712), (9178, 27352), (13676, 18356)]