28366728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 82252800

約数和(自身を除く): 53886072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 59, 67, 69, 78, 92, 104, 118, 134, 138, 156, 177, 184, 201, 236, 268, 276, 299, 312, 354, 402, 472, 536, 552, 598, 708, 767, 804, 871, 897, 1196, 1357, 1416, 1534, 1541, 1608, 1742, 1794, 2301, 2392, 2613, 2714, 3068, 3082, 3484, 3588, 3953, 4071, 4602, 4623, 5226, 5428, 6136, 6164, 6968, 7176, 7906, 8142, 9204, 9246, 10452, 10856, 11859, 12328, 15812, 16284, 17641, 18408, 18492, 20033, 20904, 23718, 31624, 32568, 35282, 36984, 40066, 47436, 51389, 52923, 60099, 70564, 80132, 90919, 94872, 102778, 105846, 120198, 141128, 154167, 160264, 181838, 205556, 211692, 240396, 272757, 308334, 363676, 411112, 423384, 480792, 545514, 616668, 727352, 1091028, 1181947, 1233336, 2182056, 2363894, 3545841, 4727788, 7091682, 9455576, 14183364, 28366728]

約数ペア:

[(1, 28366728), (2, 14183364), (3, 9455576), (4, 7091682), (6, 4727788), (8, 3545841), (12, 2363894), (13, 2182056), (23, 1233336), (24, 1181947), (26, 1091028), (39, 727352), (46, 616668), (52, 545514), (59, 480792), (67, 423384), (69, 411112), (78, 363676), (92, 308334), (104, 272757), (118, 240396), (134, 211692), (138, 205556), (156, 181838), (177, 160264), (184, 154167), (201, 141128), (236, 120198), (268, 105846), (276, 102778), (299, 94872), (312, 90919), (354, 80132), (402, 70564), (472, 60099), (536, 52923), (552, 51389), (598, 47436), (708, 40066), (767, 36984), (804, 35282), (871, 32568), (897, 31624), (1196, 23718), (1357, 20904), (1416, 20033), (1534, 18492), (1541, 18408), (1608, 17641), (1742, 16284), (1794, 15812), (2301, 12328), (2392, 11859), (2613, 10856), (2714, 10452), (3068, 9246), (3082, 9204), (3484, 8142), (3588, 7906), (3953, 7176), (4071, 6968), (4602, 6164), (4623, 6136), (5226, 5428)]