78727184

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{258971}}^1$

素因数の和:258998

約数の個数: 20

約数和(自身を含む): 160562640

約数和(自身を除く): 81835456

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 258971, 517942, 1035884, 2071768, 4143536, 4920449, 9840898, 19681796, 39363592, 78727184]

約数ペア:

[(1, 78727184), (2, 39363592), (4, 19681796), (8, 9840898), (16, 4920449), (19, 4143536), (38, 2071768), (76, 1035884), (152, 517942), (304, 258971)]