78668816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{258779}}^1$

素因数の和:258806

約数の個数: 20

約数和(自身を含む): 160443600

約数和(自身を除く): 81774784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 258779, 517558, 1035116, 2070232, 4140464, 4916801, 9833602, 19667204, 39334408, 78668816]

約数ペア:

[(1, 78668816), (2, 39334408), (4, 19667204), (8, 9833602), (16, 4916801), (19, 4140464), (38, 2070232), (76, 1035116), (152, 517558), (304, 258779)]