201221761

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 233309160

約数和(自身を除く): 32087399

約数列:

[1, 13, 19, 53, 247, 361, 689, 809, 1007, 4693, 10517, 13091, 15371, 19133, 42877, 199823, 248729, 292049, 557401, 814663, 3796637, 10590619, 15478597, 201221761]

約数ペア:

[(1, 201221761), (13, 15478597), (19, 10590619), (53, 3796637), (247, 814663), (361, 557401), (689, 292049), (809, 248729), (1007, 199823), (4693, 42877), (10517, 19133), (13091, 15371)]