258013496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 541900800

約数和(自身を除く): 283887304

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 191, 248, 382, 403, 419, 764, 806, 838, 1528, 1612, 1676, 2483, 3224, 3352, 4966, 5447, 5921, 9932, 10894, 11842, 12989, 19864, 21788, 23684, 25978, 43576, 47368, 51956, 76973, 80029, 103912, 153946, 160058, 168857, 307892, 320116, 337714, 615784, 640232, 675428, 1040377, 1350856, 2080754, 2480899, 4161508, 4961798, 8323016, 9923596, 19847192, 32251687, 64503374, 129006748, 258013496]

約数ペア:

[(1, 258013496), (2, 129006748), (4, 64503374), (8, 32251687), (13, 19847192), (26, 9923596), (31, 8323016), (52, 4961798), (62, 4161508), (104, 2480899), (124, 2080754), (191, 1350856), (248, 1040377), (382, 675428), (403, 640232), (419, 615784), (764, 337714), (806, 320116), (838, 307892), (1528, 168857), (1612, 160058), (1676, 153946), (2483, 103912), (3224, 80029), (3352, 76973), (4966, 51956), (5447, 47368), (5921, 43576), (9932, 25978), (10894, 23684), (11842, 21788), (12989, 19864)]