81591996

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 193929120

約数和(自身を除く): 112337124

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 241, 267, 317, 356, 482, 534, 634, 723, 951, 964, 1068, 1268, 1446, 1902, 2892, 3804, 21449, 28213, 42898, 56426, 64347, 76397, 84639, 85796, 112852, 128694, 152794, 169278, 229191, 257388, 305588, 338556, 458382, 916764, 6799333, 13598666, 20397999, 27197332, 40795998, 81591996]

約数ペア:

[(1, 81591996), (2, 40795998), (3, 27197332), (4, 20397999), (6, 13598666), (12, 6799333), (89, 916764), (178, 458382), (241, 338556), (267, 305588), (317, 257388), (356, 229191), (482, 169278), (534, 152794), (634, 128694), (723, 112852), (951, 85796), (964, 84639), (1068, 76397), (1268, 64347), (1446, 56426), (1902, 42898), (2892, 28213), (3804, 21449)]