2155648508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{239623}}^1$

素因数の和:239813

約数の個数: 24

約数和(自身を含む): 4086068448

約数和(自身を除く): 1930419940

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 239623, 479246, 958492, 3115099, 6230198, 12460396, 41454779, 82909558, 165819116, 538912127, 1077824254, 2155648508]

約数ペア:

[(1, 2155648508), (2, 1077824254), (4, 538912127), (13, 165819116), (26, 82909558), (52, 41454779), (173, 12460396), (346, 6230198), (692, 3115099), (2249, 958492), (4498, 479246), (8996, 239623)]