78978236

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{420097}}^1$

素因数の和:420148

約数の個数: 12

約数和(自身を含む): 141152928

約数和(自身を除く): 62174692

約数列:

[1, 2, 4, 47, 94, 188, 420097, 840194, 1680388, 19744559, 39489118, 78978236]

約数ペア:

[(1, 78978236), (2, 39489118), (4, 19744559), (47, 1680388), (94, 840194), (188, 420097)]