29972878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21751}}^1$

素因数の和:21819

約数の個数: 16

約数和(自身を含む): 49333536

約数和(自身を除く): 19360658

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 21751, 43502, 282763, 565526, 1152803, 2305606, 14986439, 29972878]

約数ペア:

[(1, 29972878), (2, 14986439), (13, 2305606), (26, 1152803), (53, 565526), (106, 282763), (689, 43502), (1378, 21751)]