31981246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 54419040

約数和(自身を除く): 22437794

約数列:

[1, 2, 11, 22, 37, 74, 101, 202, 389, 407, 778, 814, 1111, 2222, 3737, 4279, 7474, 8558, 14393, 28786, 39289, 41107, 78578, 82214, 158323, 316646, 432179, 864358, 1453693, 2907386, 15990623, 31981246]

約数ペア:

[(1, 31981246), (2, 15990623), (11, 2907386), (22, 1453693), (37, 864358), (74, 432179), (101, 316646), (202, 158323), (389, 82214), (407, 78578), (778, 41107), (814, 39289), (1111, 28786), (2222, 14393), (3737, 8558), (4279, 7474)]