28118286

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 72460800

約数和(自身を除く): 44342514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 126, 146, 189, 219, 378, 438, 511, 657, 1019, 1022, 1314, 1533, 1971, 2038, 3057, 3066, 3942, 4599, 6114, 7133, 9171, 9198, 13797, 14266, 18342, 21399, 27513, 27594, 42798, 55026, 64197, 74387, 128394, 148774, 192591, 223161, 385182, 446322, 520709, 669483, 1041418, 1338966, 1562127, 2008449, 3124254, 4016898, 4686381, 9372762, 14059143, 28118286]

約数ペア:

[(1, 28118286), (2, 14059143), (3, 9372762), (6, 4686381), (7, 4016898), (9, 3124254), (14, 2008449), (18, 1562127), (21, 1338966), (27, 1041418), (42, 669483), (54, 520709), (63, 446322), (73, 385182), (126, 223161), (146, 192591), (189, 148774), (219, 128394), (378, 74387), (438, 64197), (511, 55026), (657, 42798), (1019, 27594), (1022, 27513), (1314, 21399), (1533, 18342), (1971, 14266), (2038, 13797), (3057, 9198), (3066, 9171), (3942, 7133), (4599, 6114)]