163894990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{2887}}^1$

素因数の和:3712

約数の個数: 32

約数和(自身を含む): 337688064

約数和(自身を除く): 173793074

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 811, 1622, 2887, 4055, 5677, 5774, 8110, 11354, 14435, 20209, 28385, 28870, 40418, 56770, 101045, 202090, 2341357, 4682714, 11706785, 16389499, 23413570, 32778998, 81947495, 163894990]

約数ペア:

[(1, 163894990), (2, 81947495), (5, 32778998), (7, 23413570), (10, 16389499), (14, 11706785), (35, 4682714), (70, 2341357), (811, 202090), (1622, 101045), (2887, 56770), (4055, 40418), (5677, 28870), (5774, 28385), (8110, 20209), (11354, 14435)]