208840256

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{12697}}^1$

素因数の和:12966

約数の個数: 28

約数和(自身を含む): 416062668

約数和(自身を除く): 207222412

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 2056, 4112, 8224, 12697, 16448, 25394, 50788, 101576, 203152, 406304, 812608, 3263129, 6526258, 13052516, 26105032, 52210064, 104420128, 208840256]

約数ペア:

[(1, 208840256), (2, 104420128), (4, 52210064), (8, 26105032), (16, 13052516), (32, 6526258), (64, 3263129), (257, 812608), (514, 406304), (1028, 203152), (2056, 101576), (4112, 50788), (8224, 25394), (12697, 16448)]