208040804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{15823}}^1$

素因数の和:16019

約数の個数: 24

約数和(自身を含む): 385472640

約数和(自身を除く): 177431836

約数列:

[1, 2, 4, 19, 38, 76, 173, 346, 692, 3287, 6574, 13148, 15823, 31646, 63292, 300637, 601274, 1202548, 2737379, 5474758, 10949516, 52010201, 104020402, 208040804]

約数ペア:

[(1, 208040804), (2, 104020402), (4, 52010201), (19, 10949516), (38, 5474758), (76, 2737379), (173, 1202548), (346, 601274), (692, 300637), (3287, 63292), (6574, 31646), (13148, 15823)]