638794871928

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^2\times {\mathrm{211}}^1\times {\mathrm{22741}}^1$

素因数の和:23050

約数の個数: 144

約数和(自身を含む): 1779712052040

約数和(自身を除く): 1140917180112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 211, 258, 344, 387, 422, 516, 633, 774, 844, 1032, 1266, 1548, 1688, 1849, 1899, 2532, 3096, 3698, 3798, 5064, 5547, 7396, 7596, 9073, 11094, 14792, 15192, 16641, 18146, 22188, 22741, 27219, 33282, 36292, 44376, 45482, 54438, 66564, 68223, 72584, 81657, 90964, 108876, 133128, 136446, 163314, 181928, 204669, 217752, 272892, 326628, 390139, 409338, 545784, 653256, 780278, 818676, 977863, 1170417, 1560556, 1637352, 1955726, 2340834, 2933589, 3121112, 3511251, 3911452, 4681668, 4798351, 5867178, 7022502, 7822904, 8800767, 9363336, 9596702, 11734356, 14045004, 14395053, 17601534, 19193404, 23468712, 28090008, 28790106, 35203068, 38386808, 42048109, 43185159, 57580212, 70406136, 84096218, 86370318, 115160424, 126144327, 168192436, 172740636, 206329093, 252288654, 336384872, 345481272, 378432981, 412658186, 504577308, 618987279, 756865962, 825316372, 1009154616, 1237974558, 1513731924, 1650632744, 1856961837, 2475949116, 3027463848, 3713923674, 4951898232, 7427847348, 8872150999, 14855694696, 17744301998, 26616452997, 35488603996, 53232905994, 70977207992, 79849358991, 106465811988, 159698717982, 212931623976, 319397435964, 638794871928]

約数ペア:

[(1, 638794871928), (2, 319397435964), (3, 212931623976), (4, 159698717982), (6, 106465811988), (8, 79849358991), (9, 70977207992), (12, 53232905994), (18, 35488603996), (24, 26616452997), (36, 17744301998), (43, 14855694696), (72, 8872150999), (86, 7427847348), (129, 4951898232), (172, 3713923674), (211, 3027463848), (258, 2475949116), (344, 1856961837), (387, 1650632744), (422, 1513731924), (516, 1237974558), (633, 1009154616), (774, 825316372), (844, 756865962), (1032, 618987279), (1266, 504577308), (1548, 412658186), (1688, 378432981), (1849, 345481272), (1899, 336384872), (2532, 252288654), (3096, 206329093), (3698, 172740636), (3798, 168192436), (5064, 126144327), (5547, 115160424), (7396, 86370318), (7596, 84096218), (9073, 70406136), (11094, 57580212), (14792, 43185159), (15192, 42048109), (16641, 38386808), (18146, 35203068), (22188, 28790106), (22741, 28090008), (27219, 23468712), (33282, 19193404), (36292, 17601534), (44376, 14395053), (45482, 14045004), (54438, 11734356), (66564, 9596702), (68223, 9363336), (72584, 8800767), (81657, 7822904), (90964, 7022502), (108876, 5867178), (133128, 4798351), (136446, 4681668), (163314, 3911452), (181928, 3511251), (204669, 3121112), (217752, 2933589), (272892, 2340834), (326628, 1955726), (390139, 1637352), (409338, 1560556), (545784, 1170417), (653256, 977863), (780278, 818676)]