681809536

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{171827}}^1$

素因数の和:171872

約数の個数: 32

約数和(自身を含む): 1402116480

約数和(自身を除く): 720306944

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 171827, 343654, 687308, 1374616, 2749232, 5326637, 5498464, 10653274, 10996928, 21306548, 21993856, 42613096, 85226192, 170452384, 340904768, 681809536]

約数ペア:

[(1, 681809536), (2, 340904768), (4, 170452384), (8, 85226192), (16, 42613096), (31, 21993856), (32, 21306548), (62, 10996928), (64, 10653274), (124, 5498464), (128, 5326637), (248, 2749232), (496, 1374616), (992, 687308), (1984, 343654), (3968, 171827)]