22278230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 43394400

約数和(自身を除く): 21116170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 419, 818, 838, 2045, 2095, 4090, 4190, 5317, 5447, 10634, 10894, 26585, 27235, 53170, 54470, 171371, 342742, 856855, 1713710, 2227823, 4455646, 11139115, 22278230]

約数ペア:

[(1, 22278230), (2, 11139115), (5, 4455646), (10, 2227823), (13, 1713710), (26, 856855), (65, 342742), (130, 171371), (409, 54470), (419, 53170), (818, 27235), (838, 26585), (2045, 10894), (2095, 10634), (4090, 5447), (4190, 5317)]