279969328

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:550

約数の個数: 60

約数和(自身を含む): 581069952

約数和(自身を除く): 301100624

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 191, 272, 289, 317, 382, 578, 634, 764, 1156, 1268, 1528, 2312, 2536, 3056, 3247, 4624, 5072, 5389, 6494, 10778, 12988, 21556, 25976, 43112, 51952, 55199, 60547, 86224, 91613, 110398, 121094, 183226, 220796, 242188, 366452, 441592, 484376, 732904, 883184, 968752, 1029299, 1465808, 2058598, 4117196, 8234392, 16468784, 17498083, 34996166, 69992332, 139984664, 279969328]

約数ペア:

[(1, 279969328), (2, 139984664), (4, 69992332), (8, 34996166), (16, 17498083), (17, 16468784), (34, 8234392), (68, 4117196), (136, 2058598), (191, 1465808), (272, 1029299), (289, 968752), (317, 883184), (382, 732904), (578, 484376), (634, 441592), (764, 366452), (1156, 242188), (1268, 220796), (1528, 183226), (2312, 121094), (2536, 110398), (3056, 91613), (3247, 86224), (4624, 60547), (5072, 55199), (5389, 51952), (6494, 43112), (10778, 25976), (12988, 21556)]