78847979

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 95558400

約数和(自身を除く): 16710421

約数列:

[1, 7, 23, 107, 161, 199, 529, 749, 1393, 2461, 3703, 4577, 17227, 21293, 32039, 56603, 105271, 149051, 396221, 489739, 736897, 3428173, 11263997, 78847979]

約数ペア:

[(1, 78847979), (7, 11263997), (23, 3428173), (107, 736897), (161, 489739), (199, 396221), (529, 149051), (749, 105271), (1393, 56603), (2461, 32039), (3703, 21293), (4577, 17227)]