221311904

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1030

約数の個数: 72

約数和(自身を含む): 487289124

約数和(自身を除く): 265977220

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 88, 121, 122, 176, 242, 244, 352, 484, 488, 671, 937, 968, 976, 1342, 1874, 1936, 1952, 2684, 3748, 3872, 5368, 7381, 7496, 10307, 10736, 14762, 14992, 20614, 21472, 29524, 29984, 41228, 57157, 59048, 82456, 113377, 114314, 118096, 164912, 226754, 228628, 236192, 329824, 453508, 457256, 628727, 907016, 914512, 1257454, 1814032, 1829024, 2514908, 3628064, 5029816, 6915997, 10059632, 13831994, 20119264, 27663988, 55327976, 110655952, 221311904]

約数ペア:

[(1, 221311904), (2, 110655952), (4, 55327976), (8, 27663988), (11, 20119264), (16, 13831994), (22, 10059632), (32, 6915997), (44, 5029816), (61, 3628064), (88, 2514908), (121, 1829024), (122, 1814032), (176, 1257454), (242, 914512), (244, 907016), (352, 628727), (484, 457256), (488, 453508), (671, 329824), (937, 236192), (968, 228628), (976, 226754), (1342, 164912), (1874, 118096), (1936, 114314), (1952, 113377), (2684, 82456), (3748, 59048), (3872, 57157), (5368, 41228), (7381, 29984), (7496, 29524), (10307, 21472), (10736, 20614), (14762, 14992)]