72157954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{18959}}^1$

素因数の和:19145

約数の個数: 16

約数和(自身を含む): 118765440

約数和(自身を除く): 46607486

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 18959, 37918, 208549, 417098, 3279907, 6559814, 36078977, 72157954]

約数ペア:

[(1, 72157954), (2, 36078977), (11, 6559814), (22, 3279907), (173, 417098), (346, 208549), (1903, 37918), (3806, 18959)]