131416816

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{103969}}^1$

素因数の和:104056

約数の個数: 20

約数和(自身を含む): 257845600

約数和(自身を除く): 126428784

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 103969, 207938, 415876, 831752, 1663504, 8213551, 16427102, 32854204, 65708408, 131416816]

約数ペア:

[(1, 131416816), (2, 65708408), (4, 32854204), (8, 16427102), (16, 8213551), (79, 1663504), (158, 831752), (316, 415876), (632, 207938), (1264, 103969)]