81218330

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 150961536

約数和(自身を除く): 69743206

約数列:

[1, 2, 5, 10, 37, 74, 185, 227, 370, 454, 967, 1135, 1934, 2270, 4835, 8399, 9670, 16798, 35779, 41995, 71558, 83990, 178895, 219509, 357790, 439018, 1097545, 2195090, 8121833, 16243666, 40609165, 81218330]

約数ペア:

[(1, 81218330), (2, 40609165), (5, 16243666), (10, 8121833), (37, 2195090), (74, 1097545), (185, 439018), (227, 357790), (370, 219509), (454, 178895), (967, 83990), (1135, 71558), (1934, 41995), (2270, 35779), (4835, 16798), (8399, 9670)]