161729906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1274

約数の個数: 32

約数和(自身を含む): 268531200

約数和(自身を除く): 106801294

約数列:

[1, 2, 13, 26, 71, 79, 142, 158, 923, 1027, 1109, 1846, 2054, 2218, 5609, 11218, 14417, 28834, 72917, 78739, 87611, 145834, 157478, 175222, 1023607, 1138943, 2047214, 2277886, 6220381, 12440762, 80864953, 161729906]

約数ペア:

[(1, 161729906), (2, 80864953), (13, 12440762), (26, 6220381), (71, 2277886), (79, 2047214), (142, 1138943), (158, 1023607), (923, 175222), (1027, 157478), (1109, 145834), (1846, 87611), (2054, 78739), (2218, 72917), (5609, 28834), (11218, 14417)]