213881213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{3797}}^1$

素因数の和:4436

約数の個数: 16

約数和(自身を含む): 263733120

約数和(自身を除く): 49851907

約数列:

[1, 7, 13, 91, 619, 3797, 4333, 8047, 26579, 49361, 56329, 345527, 2350343, 16452401, 30554459, 213881213]

約数ペア:

[(1, 213881213), (7, 30554459), (13, 16452401), (91, 2350343), (619, 345527), (3797, 56329), (4333, 49361), (8047, 26579)]