28821008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 57713568

約数和(自身を除く): 28892560

約数列:

[1, 2, 4, 8, 16, 43, 86, 163, 172, 257, 326, 344, 514, 652, 688, 1028, 1304, 2056, 2608, 4112, 7009, 11051, 14018, 22102, 28036, 41891, 44204, 56072, 83782, 88408, 112144, 167564, 176816, 335128, 670256, 1801313, 3602626, 7205252, 14410504, 28821008]

約数ペア:

[(1, 28821008), (2, 14410504), (4, 7205252), (8, 3602626), (16, 1801313), (43, 670256), (86, 335128), (163, 176816), (172, 167564), (257, 112144), (326, 88408), (344, 83782), (514, 56072), (652, 44204), (688, 41891), (1028, 28036), (1304, 22102), (2056, 14018), (2608, 11051), (4112, 7009)]