31439772

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 102335520

約数和(自身を除く): 70895748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 182, 189, 196, 234, 252, 273, 294, 351, 364, 378, 441, 457, 468, 546, 588, 637, 702, 756, 819, 882, 914, 1092, 1274, 1323, 1371, 1404, 1638, 1764, 1828, 1911, 2457, 2548, 2646, 2742, 3199, 3276, 3822, 4113, 4914, 5292, 5484, 5733, 5941, 6398, 7644, 8226, 9597, 9828, 11466, 11882, 12339, 12796, 16452, 17199, 17823, 19194, 22393, 22932, 23764, 24678, 28791, 34398, 35646, 38388, 41587, 44786, 49356, 53469, 57582, 67179, 68796, 71292, 83174, 86373, 89572, 106938, 115164, 124761, 134358, 160407, 166348, 172746, 201537, 213876, 249522, 268716, 291109, 320814, 345492, 374283, 403074, 499044, 582218, 604611, 641628, 748566, 806148, 873327, 1122849, 1164436, 1209222, 1497132, 1746654, 2245698, 2418444, 2619981, 3493308, 4491396, 5239962, 7859943, 10479924, 15719886, 31439772]

約数ペア:

[(1, 31439772), (2, 15719886), (3, 10479924), (4, 7859943), (6, 5239962), (7, 4491396), (9, 3493308), (12, 2619981), (13, 2418444), (14, 2245698), (18, 1746654), (21, 1497132), (26, 1209222), (27, 1164436), (28, 1122849), (36, 873327), (39, 806148), (42, 748566), (49, 641628), (52, 604611), (54, 582218), (63, 499044), (78, 403074), (84, 374283), (91, 345492), (98, 320814), (108, 291109), (117, 268716), (126, 249522), (147, 213876), (156, 201537), (182, 172746), (189, 166348), (196, 160407), (234, 134358), (252, 124761), (273, 115164), (294, 106938), (351, 89572), (364, 86373), (378, 83174), (441, 71292), (457, 68796), (468, 67179), (546, 57582), (588, 53469), (637, 49356), (702, 44786), (756, 41587), (819, 38388), (882, 35646), (914, 34398), (1092, 28791), (1274, 24678), (1323, 23764), (1371, 22932), (1404, 22393), (1638, 19194), (1764, 17823), (1828, 17199), (1911, 16452), (2457, 12796), (2548, 12339), (2646, 11882), (2742, 11466), (3199, 9828), (3276, 9597), (3822, 8226), (4113, 7644), (4914, 6398), (5292, 5941), (5484, 5733)]