215980919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{4621}}^1$

素因数の和:5246

約数の個数: 16

約数和(自身を含む): 269776896

約数和(自身を除く): 53795977

約数列:

[1, 7, 11, 77, 607, 4249, 4621, 6677, 32347, 46739, 50831, 355817, 2804947, 19634629, 30854417, 215980919]

約数ペア:

[(1, 215980919), (7, 30854417), (11, 19634629), (77, 2804947), (607, 355817), (4249, 50831), (4621, 46739), (6677, 32347)]