219913876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19489}}^1$

素因数の和:19544

約数の個数: 48

約数和(自身を含む): 488965120

約数和(自身を除く): 269051244

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, 19489, 38978, 77956, 136423, 253357, 272846, 506714, 545692, 604159, 1013428, 1208318, 1773499, 2416636, 3546998, 4229113, 7093996, 7854067, 8458226, 15708134, 16916452, 31416268, 54978469, 109956938, 219913876]

約数ペア:

[(1, 219913876), (2, 109956938), (4, 54978469), (7, 31416268), (13, 16916452), (14, 15708134), (26, 8458226), (28, 7854067), (31, 7093996), (52, 4229113), (62, 3546998), (91, 2416636), (124, 1773499), (182, 1208318), (217, 1013428), (364, 604159), (403, 545692), (434, 506714), (806, 272846), (868, 253357), (1612, 136423), (2821, 77956), (5642, 38978), (11284, 19489)]