128778458

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{6571}}^1$

素因数の和:6853

約数の個数: 16

約数和(自身を含む): 198737280

約数和(自身を除く): 69958822

約数列:

[1, 2, 41, 82, 239, 478, 6571, 9799, 13142, 19598, 269411, 538822, 1570469, 3140938, 64389229, 128778458]

約数ペア:

[(1, 128778458), (2, 64389229), (41, 3140938), (82, 1570469), (239, 538822), (478, 269411), (6571, 19598), (9799, 13142)]