28638036

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 168

約数和(自身を含む): 91077504

約数和(自身を除く): 62439468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 61, 63, 69, 81, 84, 92, 108, 122, 126, 138, 161, 162, 183, 189, 207, 243, 244, 252, 276, 322, 324, 366, 378, 414, 427, 483, 486, 549, 567, 621, 644, 729, 732, 756, 828, 854, 966, 972, 1098, 1134, 1242, 1281, 1403, 1449, 1458, 1647, 1701, 1708, 1863, 1932, 2196, 2268, 2484, 2562, 2806, 2898, 2916, 3294, 3402, 3726, 3843, 4209, 4347, 4941, 5103, 5124, 5589, 5612, 5796, 6588, 6804, 7452, 7686, 8418, 8694, 9821, 9882, 10206, 11178, 11529, 12627, 13041, 14823, 15372, 16767, 16836, 17388, 19642, 19764, 20412, 22356, 23058, 25254, 26082, 29463, 29646, 33534, 34587, 37881, 39123, 39284, 44469, 46116, 50508, 52164, 58926, 59292, 67068, 69174, 75762, 78246, 88389, 88938, 103761, 113643, 117369, 117852, 138348, 151524, 156492, 176778, 177876, 207522, 227286, 234738, 265167, 311283, 340929, 353556, 415044, 454572, 469476, 530334, 622566, 681858, 795501, 1022787, 1060668, 1245132, 1363716, 1591002, 2045574, 2386503, 3182004, 4091148, 4773006, 7159509, 9546012, 14319018, 28638036]

約数ペア:

[(1, 28638036), (2, 14319018), (3, 9546012), (4, 7159509), (6, 4773006), (7, 4091148), (9, 3182004), (12, 2386503), (14, 2045574), (18, 1591002), (21, 1363716), (23, 1245132), (27, 1060668), (28, 1022787), (36, 795501), (42, 681858), (46, 622566), (54, 530334), (61, 469476), (63, 454572), (69, 415044), (81, 353556), (84, 340929), (92, 311283), (108, 265167), (122, 234738), (126, 227286), (138, 207522), (161, 177876), (162, 176778), (183, 156492), (189, 151524), (207, 138348), (243, 117852), (244, 117369), (252, 113643), (276, 103761), (322, 88938), (324, 88389), (366, 78246), (378, 75762), (414, 69174), (427, 67068), (483, 59292), (486, 58926), (549, 52164), (567, 50508), (621, 46116), (644, 44469), (729, 39284), (732, 39123), (756, 37881), (828, 34587), (854, 33534), (966, 29646), (972, 29463), (1098, 26082), (1134, 25254), (1242, 23058), (1281, 22356), (1403, 20412), (1449, 19764), (1458, 19642), (1647, 17388), (1701, 16836), (1708, 16767), (1863, 15372), (1932, 14823), (2196, 13041), (2268, 12627), (2484, 11529), (2562, 11178), (2806, 10206), (2898, 9882), (2916, 9821), (3294, 8694), (3402, 8418), (3726, 7686), (3843, 7452), (4209, 6804), (4347, 6588), (4941, 5796), (5103, 5612), (5124, 5589)]