208083616

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:498

約数の個数: 72

約数和(自身を含む): 448939260

約数和(自身を除く): 240855644

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 169, 208, 218, 338, 353, 416, 436, 676, 706, 872, 1352, 1412, 1417, 1744, 2704, 2824, 2834, 3488, 4589, 5408, 5648, 5668, 9178, 11296, 11336, 18356, 18421, 22672, 36712, 36842, 38477, 45344, 59657, 73424, 73684, 76954, 119314, 146848, 147368, 153908, 238628, 294736, 307816, 477256, 500201, 589472, 615632, 954512, 1000402, 1231264, 1909024, 2000804, 4001608, 6502613, 8003216, 13005226, 16006432, 26010452, 52020904, 104041808, 208083616]

約数ペア:

[(1, 208083616), (2, 104041808), (4, 52020904), (8, 26010452), (13, 16006432), (16, 13005226), (26, 8003216), (32, 6502613), (52, 4001608), (104, 2000804), (109, 1909024), (169, 1231264), (208, 1000402), (218, 954512), (338, 615632), (353, 589472), (416, 500201), (436, 477256), (676, 307816), (706, 294736), (872, 238628), (1352, 153908), (1412, 147368), (1417, 146848), (1744, 119314), (2704, 76954), (2824, 73684), (2834, 73424), (3488, 59657), (4589, 45344), (5408, 38477), (5648, 36842), (5668, 36712), (9178, 22672), (11296, 18421), (11336, 18356)]