78186388

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20089}}^1$

素因数の和:20239

約数の個数: 24

約数和(自身を含む): 157505600

約数和(自身を除く): 79319212

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20089, 40178, 80356, 140623, 281246, 562492, 2792371, 5584742, 11169484, 19546597, 39093194, 78186388]

約数ペア:

[(1, 78186388), (2, 39093194), (4, 19546597), (7, 11169484), (14, 5584742), (28, 2792371), (139, 562492), (278, 281246), (556, 140623), (973, 80356), (1946, 40178), (3892, 20089)]