28434868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 67415040

約数和(自身を除く): 38980172

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 43, 44, 76, 77, 86, 113, 133, 154, 172, 209, 226, 266, 301, 308, 418, 452, 473, 532, 602, 791, 817, 836, 946, 1204, 1243, 1463, 1582, 1634, 1892, 2147, 2486, 2926, 3164, 3268, 3311, 4294, 4859, 4972, 5719, 5852, 6622, 8588, 8701, 8987, 9718, 11438, 13244, 15029, 17402, 17974, 19436, 22876, 23617, 30058, 34013, 34804, 35948, 47234, 53449, 60116, 62909, 68026, 92321, 94468, 106898, 125818, 136052, 165319, 184642, 213796, 251636, 330638, 369284, 374143, 646247, 661276, 748286, 1015531, 1292494, 1496572, 2031062, 2584988, 4062124, 7108717, 14217434, 28434868]

約数ペア:

[(1, 28434868), (2, 14217434), (4, 7108717), (7, 4062124), (11, 2584988), (14, 2031062), (19, 1496572), (22, 1292494), (28, 1015531), (38, 748286), (43, 661276), (44, 646247), (76, 374143), (77, 369284), (86, 330638), (113, 251636), (133, 213796), (154, 184642), (172, 165319), (209, 136052), (226, 125818), (266, 106898), (301, 94468), (308, 92321), (418, 68026), (452, 62909), (473, 60116), (532, 53449), (602, 47234), (791, 35948), (817, 34804), (836, 34013), (946, 30058), (1204, 23617), (1243, 22876), (1463, 19436), (1582, 17974), (1634, 17402), (1892, 15029), (2147, 13244), (2486, 11438), (2926, 9718), (3164, 8987), (3268, 8701), (3311, 8588), (4294, 6622), (4859, 5852), (4972, 5719)]