30890782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 51825312

約数和(自身を除く): 20934530

約数列:

[1, 2, 13, 26, 37, 74, 163, 197, 326, 394, 481, 962, 2119, 2561, 4238, 5122, 6031, 7289, 12062, 14578, 32111, 64222, 78403, 94757, 156806, 189514, 417443, 834886, 1188107, 2376214, 15445391, 30890782]

約数ペア:

[(1, 30890782), (2, 15445391), (13, 2376214), (26, 1188107), (37, 834886), (74, 417443), (163, 189514), (197, 156806), (326, 94757), (394, 78403), (481, 64222), (962, 32111), (2119, 14578), (2561, 12062), (4238, 7289), (5122, 6031)]