178972638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{2069}}^1$

素因数の和:3196

約数の個数: 32

約数和(自身を含む): 386013600

約数和(自身を除く): 207040962

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1109, 2069, 2218, 3327, 4138, 6207, 6654, 12414, 14417, 26897, 28834, 43251, 53794, 80691, 86502, 161382, 2294521, 4589042, 6883563, 13767126, 29828773, 59657546, 89486319, 178972638]

約数ペア:

[(1, 178972638), (2, 89486319), (3, 59657546), (6, 29828773), (13, 13767126), (26, 6883563), (39, 4589042), (78, 2294521), (1109, 161382), (2069, 86502), (2218, 80691), (3327, 53794), (4138, 43251), (6207, 28834), (6654, 26897), (12414, 14417)]