287165008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 621307456

約数和(自身を除く): 334142448

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 97, 104, 172, 194, 208, 331, 344, 388, 559, 662, 688, 776, 1118, 1261, 1324, 1552, 2236, 2522, 2648, 4171, 4303, 4472, 5044, 5296, 8342, 8606, 8944, 10088, 14233, 16684, 17212, 20176, 28466, 32107, 33368, 34424, 54223, 56932, 64214, 66736, 68848, 108446, 113864, 128428, 185029, 216892, 227728, 256856, 370058, 417391, 433784, 513712, 740116, 834782, 867568, 1380601, 1480232, 1669564, 2761202, 2960464, 3339128, 5522404, 6678256, 11044808, 17947813, 22089616, 35895626, 71791252, 143582504, 287165008]

約数ペア:

[(1, 287165008), (2, 143582504), (4, 71791252), (8, 35895626), (13, 22089616), (16, 17947813), (26, 11044808), (43, 6678256), (52, 5522404), (86, 3339128), (97, 2960464), (104, 2761202), (172, 1669564), (194, 1480232), (208, 1380601), (331, 867568), (344, 834782), (388, 740116), (559, 513712), (662, 433784), (688, 417391), (776, 370058), (1118, 256856), (1261, 227728), (1324, 216892), (1552, 185029), (2236, 128428), (2522, 113864), (2648, 108446), (4171, 68848), (4303, 66736), (4472, 64214), (5044, 56932), (5296, 54223), (8342, 34424), (8606, 33368), (8944, 32107), (10088, 28466), (14233, 20176), (16684, 17212)]