856557828

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:524

約数の個数: 180

約数和(自身を含む): 2628694992

約数和(自身を除く): 1772137164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 163, 189, 196, 252, 294, 324, 326, 331, 378, 441, 489, 567, 588, 652, 662, 756, 882, 978, 993, 1134, 1141, 1323, 1324, 1467, 1764, 1956, 1986, 2268, 2282, 2317, 2646, 2934, 2979, 3423, 3969, 3972, 4401, 4564, 4634, 5292, 5868, 5958, 6846, 6951, 7938, 7987, 8802, 8937, 9268, 10269, 11916, 13203, 13692, 13902, 15876, 15974, 16219, 17604, 17874, 20538, 20853, 23961, 26406, 26811, 27804, 30807, 31948, 32438, 35748, 41076, 41706, 47922, 48657, 52812, 53622, 53953, 61614, 62559, 64876, 71883, 83412, 92421, 95844, 97314, 107244, 107906, 123228, 125118, 143766, 145971, 161859, 184842, 187677, 194628, 215649, 215812, 250236, 287532, 291942, 323718, 369684, 375354, 377671, 431298, 437913, 485577, 583884, 646947, 647436, 750708, 755342, 862596, 875826, 971154, 1133013, 1293894, 1313739, 1456731, 1510684, 1751652, 1942308, 2266026, 2587788, 2627478, 2643697, 2913462, 3399039, 4370193, 4532052, 5254956, 5287394, 5826924, 6798078, 7931091, 8740386, 10197117, 10574788, 13596156, 15862182, 17480772, 20394234, 23793273, 30591351, 31724364, 40788468, 47586546, 61182702, 71379819, 95173092, 122365404, 142759638, 214139457, 285519276, 428278914, 856557828]

約数ペア:

[(1, 856557828), (2, 428278914), (3, 285519276), (4, 214139457), (6, 142759638), (7, 122365404), (9, 95173092), (12, 71379819), (14, 61182702), (18, 47586546), (21, 40788468), (27, 31724364), (28, 30591351), (36, 23793273), (42, 20394234), (49, 17480772), (54, 15862182), (63, 13596156), (81, 10574788), (84, 10197117), (98, 8740386), (108, 7931091), (126, 6798078), (147, 5826924), (162, 5287394), (163, 5254956), (189, 4532052), (196, 4370193), (252, 3399039), (294, 2913462), (324, 2643697), (326, 2627478), (331, 2587788), (378, 2266026), (441, 1942308), (489, 1751652), (567, 1510684), (588, 1456731), (652, 1313739), (662, 1293894), (756, 1133013), (882, 971154), (978, 875826), (993, 862596), (1134, 755342), (1141, 750708), (1323, 647436), (1324, 646947), (1467, 583884), (1764, 485577), (1956, 437913), (1986, 431298), (2268, 377671), (2282, 375354), (2317, 369684), (2646, 323718), (2934, 291942), (2979, 287532), (3423, 250236), (3969, 215812), (3972, 215649), (4401, 194628), (4564, 187677), (4634, 184842), (5292, 161859), (5868, 145971), (5958, 143766), (6846, 125118), (6951, 123228), (7938, 107906), (7987, 107244), (8802, 97314), (8937, 95844), (9268, 92421), (10269, 83412), (11916, 71883), (13203, 64876), (13692, 62559), (13902, 61614), (15876, 53953), (15974, 53622), (16219, 52812), (17604, 48657), (17874, 47922), (20538, 41706), (20853, 41076), (23961, 35748), (26406, 32438), (26811, 31948), (27804, 30807)]