578656

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:143

約数の個数: 36

約数和(自身を含む): 1245132

約数和(自身を除く): 666476

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 107, 169, 208, 214, 338, 416, 428, 676, 856, 1352, 1391, 1712, 2704, 2782, 3424, 5408, 5564, 11128, 18083, 22256, 36166, 44512, 72332, 144664, 289328, 578656]

約数ペア:

[(1, 578656), (2, 289328), (4, 144664), (8, 72332), (13, 44512), (16, 36166), (26, 22256), (32, 18083), (52, 11128), (104, 5564), (107, 5408), (169, 3424), (208, 2782), (214, 2704), (338, 1712), (416, 1391), (428, 1352), (676, 856)]