211288

素因数分解:

$2^3\times 7^4\times {\mathrm{11}}^1$

素因数の和:45

約数の個数: 40

約数和(自身を含む): 504180

約数和(自身を除く): 292892

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 616, 686, 1078, 1372, 2156, 2401, 2744, 3773, 4312, 4802, 7546, 9604, 15092, 19208, 26411, 30184, 52822, 105644, 211288]

約数ペア:

[(1, 211288), (2, 105644), (4, 52822), (7, 30184), (8, 26411), (11, 19208), (14, 15092), (22, 9604), (28, 7546), (44, 4802), (49, 4312), (56, 3773), (77, 2744), (88, 2401), (98, 2156), (154, 1372), (196, 1078), (308, 686), (343, 616), (392, 539)]