209985152

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2381}}^1$

素因数の和:2461

約数の個数: 64

約数和(自身を含む): 459201960

約数和(自身を除く): 249216808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 208, 212, 416, 424, 689, 832, 848, 1378, 1664, 1696, 2381, 2756, 3392, 4762, 5512, 6784, 9524, 11024, 19048, 22048, 30953, 38096, 44096, 61906, 76192, 88192, 123812, 126193, 152384, 247624, 252386, 304768, 495248, 504772, 990496, 1009544, 1640509, 1980992, 2019088, 3281018, 3961984, 4038176, 6562036, 8076352, 13124072, 16152704, 26248144, 52496288, 104992576, 209985152]

約数ペア:

[(1, 209985152), (2, 104992576), (4, 52496288), (8, 26248144), (13, 16152704), (16, 13124072), (26, 8076352), (32, 6562036), (52, 4038176), (53, 3961984), (64, 3281018), (104, 2019088), (106, 1980992), (128, 1640509), (208, 1009544), (212, 990496), (416, 504772), (424, 495248), (689, 304768), (832, 252386), (848, 247624), (1378, 152384), (1664, 126193), (1696, 123812), (2381, 88192), (2756, 76192), (3392, 61906), (4762, 44096), (5512, 38096), (6784, 30953), (9524, 22048), (11024, 19048)]