171528704

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 80

約数和(自身を含む): 360619776

約数和(自身を除く): 189091072

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 101, 107, 124, 128, 202, 214, 248, 256, 404, 428, 496, 512, 808, 856, 992, 1616, 1712, 1984, 3131, 3232, 3317, 3424, 3968, 6262, 6464, 6634, 6848, 7936, 10807, 12524, 12928, 13268, 13696, 15872, 21614, 25048, 25856, 26536, 27392, 43228, 50096, 51712, 53072, 54784, 86456, 100192, 106144, 172912, 200384, 212288, 335017, 345824, 400768, 424576, 670034, 691648, 801536, 849152, 1340068, 1383296, 1603072, 1698304, 2680136, 2766592, 5360272, 5533184, 10720544, 21441088, 42882176, 85764352, 171528704]

約数ペア:

[(1, 171528704), (2, 85764352), (4, 42882176), (8, 21441088), (16, 10720544), (31, 5533184), (32, 5360272), (62, 2766592), (64, 2680136), (101, 1698304), (107, 1603072), (124, 1383296), (128, 1340068), (202, 849152), (214, 801536), (248, 691648), (256, 670034), (404, 424576), (428, 400768), (496, 345824), (512, 335017), (808, 212288), (856, 200384), (992, 172912), (1616, 106144), (1712, 100192), (1984, 86456), (3131, 54784), (3232, 53072), (3317, 51712), (3424, 50096), (3968, 43228), (6262, 27392), (6464, 26536), (6634, 25856), (6848, 25048), (7936, 21614), (10807, 15872), (12524, 13696), (12928, 13268)]