131498676

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 340618824

約数和(自身を除く): 209120148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 233, 244, 257, 366, 466, 514, 549, 699, 732, 771, 932, 1028, 1098, 1398, 1542, 2097, 2196, 2313, 2796, 3084, 4194, 4626, 8388, 9252, 14213, 15677, 28426, 31354, 42639, 47031, 56852, 59881, 62708, 85278, 94062, 119762, 127917, 141093, 170556, 179643, 188124, 239524, 255834, 282186, 359286, 511668, 538929, 564372, 718572, 1077858, 2155716, 3652741, 7305482, 10958223, 14610964, 21916446, 32874669, 43832892, 65749338, 131498676]

約数ペア:

[(1, 131498676), (2, 65749338), (3, 43832892), (4, 32874669), (6, 21916446), (9, 14610964), (12, 10958223), (18, 7305482), (36, 3652741), (61, 2155716), (122, 1077858), (183, 718572), (233, 564372), (244, 538929), (257, 511668), (366, 359286), (466, 282186), (514, 255834), (549, 239524), (699, 188124), (732, 179643), (771, 170556), (932, 141093), (1028, 127917), (1098, 119762), (1398, 94062), (1542, 85278), (2097, 62708), (2196, 59881), (2313, 56852), (2796, 47031), (3084, 42639), (4194, 31354), (4626, 28426), (8388, 15677), (9252, 14213)]