78958796

素因数分解:

$2^2\times 7^2\times {\mathrm{402851}}^1$

素因数の和:402869

約数の個数: 18

約数和(自身を含む): 160737948

約数和(自身を除く): 81779152

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 402851, 805702, 1611404, 2819957, 5639914, 11279828, 19739699, 39479398, 78958796]

約数ペア:

[(1, 78958796), (2, 39479398), (4, 19739699), (7, 11279828), (14, 5639914), (28, 2819957), (49, 1611404), (98, 805702), (196, 402851)]