30721756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2999}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 58212000

約数和(自身を除く): 27490244

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 2999, 5122, 5998, 10244, 11996, 38987, 77974, 155948, 590803, 1181606, 2363212, 7680439, 15360878, 30721756]

約数ペア:

[(1, 30721756), (2, 15360878), (4, 7680439), (13, 2363212), (26, 1181606), (52, 590803), (197, 155948), (394, 77974), (788, 38987), (2561, 11996), (2999, 10244), (5122, 5998)]