78979018

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{2903}}^1$

素因数の和:3189

約数の個数: 16

約数和(自身を含む): 120992256

約数和(自身を除く): 42013238

約数列:

[1, 2, 61, 122, 223, 446, 2903, 5806, 13603, 27206, 177083, 354166, 647369, 1294738, 39489509, 78979018]

約数ペア:

[(1, 78979018), (2, 39489509), (61, 1294738), (122, 647369), (223, 354166), (446, 177083), (2903, 27206), (5806, 13603)]