69981218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{13249}}^1$

素因数の和:13409

約数の個数: 16

約数和(自身を含む): 111300000

約数和(自身を除く): 41318782

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 13249, 26498, 251731, 503462, 1841611, 3683222, 34990609, 69981218]

約数ペア:

[(1, 69981218), (2, 34990609), (19, 3683222), (38, 1841611), (139, 503462), (278, 251731), (2641, 26498), (5282, 13249)]