31454956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 65587200

約数和(自身を除く): 34132244

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 79, 124, 158, 169, 247, 316, 338, 403, 494, 589, 676, 806, 988, 1027, 1178, 1501, 1612, 2054, 2356, 2449, 3002, 3211, 4108, 4898, 5239, 6004, 6422, 7657, 9796, 10478, 12844, 13351, 15314, 19513, 20956, 26702, 30628, 31837, 39026, 46531, 53404, 63674, 78052, 93062, 99541, 127348, 186124, 199082, 253669, 398164, 413881, 507338, 604903, 827762, 1014676, 1209806, 1655524, 2419612, 7863739, 15727478, 31454956]

約数ペア:

[(1, 31454956), (2, 15727478), (4, 7863739), (13, 2419612), (19, 1655524), (26, 1209806), (31, 1014676), (38, 827762), (52, 604903), (62, 507338), (76, 413881), (79, 398164), (124, 253669), (158, 199082), (169, 186124), (247, 127348), (316, 99541), (338, 93062), (403, 78052), (494, 63674), (589, 53404), (676, 46531), (806, 39026), (988, 31837), (1027, 30628), (1178, 26702), (1501, 20956), (1612, 19513), (2054, 15314), (2356, 13351), (2449, 12844), (3002, 10478), (3211, 9796), (4108, 7657), (4898, 6422), (5239, 6004)]