217879948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{380909}}^1$

素因数の和:380937

約数の個数: 24

約数和(自身を含む): 447950160

約数和(自身を除く): 230070212

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 380909, 761818, 1523636, 4189999, 4951817, 8379998, 9903634, 16759996, 19807268, 54469987, 108939974, 217879948]

約数ペア:

[(1, 217879948), (2, 108939974), (4, 54469987), (11, 19807268), (13, 16759996), (22, 9903634), (26, 8379998), (44, 4951817), (52, 4189999), (143, 1523636), (286, 761818), (572, 380909)]