131686256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 287356608

約数和(自身を除く): 155670352

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 71, 74, 104, 142, 148, 208, 241, 284, 296, 481, 482, 568, 592, 923, 962, 964, 1136, 1846, 1924, 1928, 2627, 3133, 3692, 3848, 3856, 5254, 6266, 7384, 7696, 8917, 10508, 12532, 14768, 17111, 17834, 21016, 25064, 34151, 34222, 35668, 42032, 50128, 68302, 68444, 71336, 115921, 136604, 136888, 142672, 222443, 231842, 273208, 273776, 444886, 463684, 546416, 633107, 889772, 927368, 1266214, 1779544, 1854736, 2532428, 3559088, 5064856, 8230391, 10129712, 16460782, 32921564, 65843128, 131686256]

約数ペア:

[(1, 131686256), (2, 65843128), (4, 32921564), (8, 16460782), (13, 10129712), (16, 8230391), (26, 5064856), (37, 3559088), (52, 2532428), (71, 1854736), (74, 1779544), (104, 1266214), (142, 927368), (148, 889772), (208, 633107), (241, 546416), (284, 463684), (296, 444886), (481, 273776), (482, 273208), (568, 231842), (592, 222443), (923, 142672), (962, 136888), (964, 136604), (1136, 115921), (1846, 71336), (1924, 68444), (1928, 68302), (2627, 50128), (3133, 42032), (3692, 35668), (3848, 34222), (3856, 34151), (5254, 25064), (6266, 21016), (7384, 17834), (7696, 17111), (8917, 14768), (10508, 12532)]