161565911

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 185623200

約数和(自身を除く): 24057289

約数列:

[1, 13, 19, 173, 199, 247, 361, 2249, 2587, 3287, 3781, 4693, 34427, 42731, 49153, 62453, 71839, 447551, 654113, 811889, 933907, 8503469, 12428147, 161565911]

約数ペア:

[(1, 161565911), (13, 12428147), (19, 8503469), (173, 933907), (199, 811889), (247, 654113), (361, 447551), (2249, 71839), (2587, 62453), (3287, 49153), (3781, 42731), (4693, 34427)]