42457552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139663}}^1$

素因数の和:139690

約数の個数: 20

約数和(自身を含む): 86591680

約数和(自身を除く): 44134128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 139663, 279326, 558652, 1117304, 2234608, 2653597, 5307194, 10614388, 21228776, 42457552]

約数ペア:

[(1, 42457552), (2, 21228776), (4, 10614388), (8, 5307194), (16, 2653597), (19, 2234608), (38, 1117304), (76, 558652), (152, 279326), (304, 139663)]