28407184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136573}}^1$

素因数の和:136594

約数の個数: 20

約数和(自身を含む): 59273116

約数和(自身を除く): 30865932

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136573, 273146, 546292, 1092584, 1775449, 2185168, 3550898, 7101796, 14203592, 28407184]

約数ペア:

[(1, 28407184), (2, 14203592), (4, 7101796), (8, 3550898), (13, 2185168), (16, 1775449), (26, 1092584), (52, 546292), (104, 273146), (208, 136573)]