219028394

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{563}}^1\times {\mathrm{1151}}^1$

素因数の和:1742

約数の個数: 24

約数和(自身を含む): 356700672

約数和(自身を除く): 137672278

約数列:

[1, 2, 13, 26, 169, 338, 563, 1126, 1151, 2302, 7319, 14638, 14963, 29926, 95147, 190294, 194519, 389038, 648013, 1296026, 8424169, 16848338, 109514197, 219028394]

約数ペア:

[(1, 219028394), (2, 109514197), (13, 16848338), (26, 8424169), (169, 1296026), (338, 648013), (563, 389038), (1126, 194519), (1151, 190294), (2302, 95147), (7319, 29926), (14638, 14963)]