28132208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:873

約数の個数: 40

約数和(自身を含む): 59069136

約数和(自身を除く): 30936928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 641, 844, 1282, 1688, 2564, 2743, 3376, 5128, 5486, 8333, 10256, 10972, 16666, 21944, 33332, 43888, 66664, 133328, 135251, 270502, 541004, 1082008, 1758263, 2164016, 3516526, 7033052, 14066104, 28132208]

約数ペア:

[(1, 28132208), (2, 14066104), (4, 7033052), (8, 3516526), (13, 2164016), (16, 1758263), (26, 1082008), (52, 541004), (104, 270502), (208, 135251), (211, 133328), (422, 66664), (641, 43888), (844, 33332), (1282, 21944), (1688, 16666), (2564, 10972), (2743, 10256), (3376, 8333), (5128, 5486)]