217656494

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{619}}^1\times {\mathrm{1453}}^1$

素因数の和:2096

約数の個数: 24

約数和(自身を含む): 359690520

約数和(自身を除く): 142034026

約数列:

[1, 2, 11, 22, 121, 242, 619, 1238, 1453, 2906, 6809, 13618, 15983, 31966, 74899, 149798, 175813, 351626, 899407, 1798814, 9893477, 19786954, 108828247, 217656494]

約数ペア:

[(1, 217656494), (2, 108828247), (11, 19786954), (22, 9893477), (121, 1798814), (242, 899407), (619, 351626), (1238, 175813), (1453, 149798), (2906, 74899), (6809, 31966), (13618, 15983)]