31855690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3294

約数の個数: 32

約数和(自身を含む): 61243776

約数和(自身を除く): 29388086

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 3221, 4945, 6442, 9890, 16105, 32210, 74083, 138503, 148166, 277006, 370415, 692515, 740830, 1385030, 3185569, 6371138, 15927845, 31855690]

約数ペア:

[(1, 31855690), (2, 15927845), (5, 6371138), (10, 3185569), (23, 1385030), (43, 740830), (46, 692515), (86, 370415), (115, 277006), (215, 148166), (230, 138503), (430, 74083), (989, 32210), (1978, 16105), (3221, 9890), (4945, 6442)]