81500848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 187488000

約数和(自身を除く): 105987152

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 179, 199, 208, 286, 358, 398, 572, 716, 796, 1144, 1432, 1592, 1969, 2189, 2288, 2327, 2587, 2864, 3184, 3938, 4378, 4654, 5174, 7876, 8756, 9308, 10348, 15752, 17512, 18616, 20696, 25597, 28457, 31504, 35024, 35621, 37232, 41392, 51194, 56914, 71242, 102388, 113828, 142484, 204776, 227656, 284968, 391831, 409552, 455312, 463073, 569936, 783662, 926146, 1567324, 1852292, 3134648, 3704584, 5093803, 6269296, 7409168, 10187606, 20375212, 40750424, 81500848]

約数ペア:

[(1, 81500848), (2, 40750424), (4, 20375212), (8, 10187606), (11, 7409168), (13, 6269296), (16, 5093803), (22, 3704584), (26, 3134648), (44, 1852292), (52, 1567324), (88, 926146), (104, 783662), (143, 569936), (176, 463073), (179, 455312), (199, 409552), (208, 391831), (286, 284968), (358, 227656), (398, 204776), (572, 142484), (716, 113828), (796, 102388), (1144, 71242), (1432, 56914), (1592, 51194), (1969, 41392), (2189, 37232), (2288, 35621), (2327, 35024), (2587, 31504), (2864, 28457), (3184, 25597), (3938, 20696), (4378, 18616), (4654, 17512), (5174, 15752), (7876, 10348), (8756, 9308)]