28443090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72931}}^1$

素因数の和:72954

約数の個数: 32

約数和(自身を含む): 73515456

約数和(自身を除く): 45072366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72931, 145862, 218793, 364655, 437586, 729310, 948103, 1093965, 1896206, 2187930, 2844309, 4740515, 5688618, 9481030, 14221545, 28443090]

約数ペア:

[(1, 28443090), (2, 14221545), (3, 9481030), (5, 5688618), (6, 4740515), (10, 2844309), (13, 2187930), (15, 1896206), (26, 1093965), (30, 948103), (39, 729310), (65, 437586), (78, 364655), (130, 218793), (195, 145862), (390, 72931)]