245844508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21787}}^1$

素因数の和:21842

約数の個数: 48

約数和(自身を含む): 546617344

約数和(自身を除く): 300772836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 21787, 43574, 87148, 152509, 283231, 305018, 566462, 610036, 675397, 1132924, 1350794, 1982617, 2701588, 3965234, 4727779, 7930468, 8780161, 9455558, 17560322, 18911116, 35120644, 61461127, 122922254, 245844508]

約数ペア:

[(1, 245844508), (2, 122922254), (4, 61461127), (7, 35120644), (13, 18911116), (14, 17560322), (26, 9455558), (28, 8780161), (31, 7930468), (52, 4727779), (62, 3965234), (91, 2701588), (124, 1982617), (182, 1350794), (217, 1132924), (364, 675397), (403, 610036), (434, 566462), (806, 305018), (868, 283231), (1612, 152509), (2821, 87148), (5642, 43574), (11284, 21787)]