72164128

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{118691}}^1$

素因数の和:118720

約数の個数: 24

約数和(自身を含む): 149551920

約数和(自身を除く): 77387792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 118691, 237382, 474764, 949528, 1899056, 2255129, 3798112, 4510258, 9020516, 18041032, 36082064, 72164128]

約数ペア:

[(1, 72164128), (2, 36082064), (4, 18041032), (8, 9020516), (16, 4510258), (19, 3798112), (32, 2255129), (38, 1899056), (76, 949528), (152, 474764), (304, 237382), (608, 118691)]