28805712

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 83325024

約数和(自身を除く): 54519312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 67, 78, 104, 106, 134, 156, 159, 169, 201, 208, 212, 268, 312, 318, 338, 402, 424, 507, 536, 624, 636, 676, 689, 804, 848, 871, 1014, 1072, 1272, 1352, 1378, 1608, 1742, 2028, 2067, 2544, 2613, 2704, 2756, 3216, 3484, 3551, 4056, 4134, 5226, 5512, 6968, 7102, 8112, 8268, 8957, 10452, 10653, 11024, 11323, 13936, 14204, 16536, 17914, 20904, 21306, 22646, 26871, 28408, 33072, 33969, 35828, 41808, 42612, 45292, 46163, 53742, 56816, 67938, 71656, 85224, 90584, 92326, 107484, 135876, 138489, 143312, 170448, 181168, 184652, 214968, 271752, 276978, 369304, 429936, 543504, 553956, 600119, 738608, 1107912, 1200238, 1800357, 2215824, 2400476, 3600714, 4800952, 7201428, 9601904, 14402856, 28805712]

約数ペア:

[(1, 28805712), (2, 14402856), (3, 9601904), (4, 7201428), (6, 4800952), (8, 3600714), (12, 2400476), (13, 2215824), (16, 1800357), (24, 1200238), (26, 1107912), (39, 738608), (48, 600119), (52, 553956), (53, 543504), (67, 429936), (78, 369304), (104, 276978), (106, 271752), (134, 214968), (156, 184652), (159, 181168), (169, 170448), (201, 143312), (208, 138489), (212, 135876), (268, 107484), (312, 92326), (318, 90584), (338, 85224), (402, 71656), (424, 67938), (507, 56816), (536, 53742), (624, 46163), (636, 45292), (676, 42612), (689, 41808), (804, 35828), (848, 33969), (871, 33072), (1014, 28408), (1072, 26871), (1272, 22646), (1352, 21306), (1378, 20904), (1608, 17914), (1742, 16536), (2028, 14204), (2067, 13936), (2544, 11323), (2613, 11024), (2704, 10653), (2756, 10452), (3216, 8957), (3484, 8268), (3551, 8112), (4056, 7102), (4134, 6968), (5226, 5512)]