28872774

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 128

約数和(自身を含む): 79349760

約数和(自身を除く): 50476986

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 41, 42, 46, 54, 63, 69, 81, 82, 123, 126, 138, 161, 162, 189, 207, 243, 246, 287, 322, 369, 378, 414, 483, 486, 567, 574, 621, 729, 738, 861, 943, 966, 1107, 1134, 1242, 1449, 1458, 1701, 1722, 1863, 1886, 2187, 2214, 2583, 2829, 2898, 3321, 3402, 3726, 4347, 4374, 5103, 5166, 5589, 5658, 6601, 6642, 7749, 8487, 8694, 9963, 10206, 11178, 13041, 13202, 15309, 15498, 16767, 16974, 19803, 19926, 23247, 25461, 26082, 29889, 30618, 33534, 39123, 39606, 46494, 50301, 50922, 59409, 59778, 69741, 76383, 78246, 89667, 100602, 117369, 118818, 139482, 152766, 178227, 179334, 209223, 229149, 234738, 352107, 356454, 418446, 458298, 534681, 627669, 687447, 704214, 1069362, 1255338, 1374894, 1604043, 2062341, 3208086, 4124682, 4812129, 9624258, 14436387, 28872774]

約数ペア:

[(1, 28872774), (2, 14436387), (3, 9624258), (6, 4812129), (7, 4124682), (9, 3208086), (14, 2062341), (18, 1604043), (21, 1374894), (23, 1255338), (27, 1069362), (41, 704214), (42, 687447), (46, 627669), (54, 534681), (63, 458298), (69, 418446), (81, 356454), (82, 352107), (123, 234738), (126, 229149), (138, 209223), (161, 179334), (162, 178227), (189, 152766), (207, 139482), (243, 118818), (246, 117369), (287, 100602), (322, 89667), (369, 78246), (378, 76383), (414, 69741), (483, 59778), (486, 59409), (567, 50922), (574, 50301), (621, 46494), (729, 39606), (738, 39123), (861, 33534), (943, 30618), (966, 29889), (1107, 26082), (1134, 25461), (1242, 23247), (1449, 19926), (1458, 19803), (1701, 16974), (1722, 16767), (1863, 15498), (1886, 15309), (2187, 13202), (2214, 13041), (2583, 11178), (2829, 10206), (2898, 9963), (3321, 8694), (3402, 8487), (3726, 7749), (4347, 6642), (4374, 6601), (5103, 5658), (5166, 5589)]