28259478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{120767}}^1$

素因数の和:120788

約数の個数: 24

約数和(自身を含む): 65939328

約数和(自身を除く): 37679850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 120767, 241534, 362301, 724602, 1086903, 1569971, 2173806, 3139942, 4709913, 9419826, 14129739, 28259478]

約数ペア:

[(1, 28259478), (2, 14129739), (3, 9419826), (6, 4709913), (9, 3139942), (13, 2173806), (18, 1569971), (26, 1086903), (39, 724602), (78, 362301), (117, 241534), (234, 120767)]