51918503

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 66662400

約数和(自身を除く): 14743897

約数列:

[1, 7, 13, 47, 61, 91, 199, 329, 427, 611, 793, 1393, 2587, 2867, 4277, 5551, 9353, 12139, 18109, 20069, 37271, 65471, 84973, 121589, 157807, 260897, 570533, 851123, 1104649, 3993731, 7416929, 51918503]

約数ペア:

[(1, 51918503), (7, 7416929), (13, 3993731), (47, 1104649), (61, 851123), (91, 570533), (199, 260897), (329, 157807), (427, 121589), (611, 84973), (793, 65471), (1393, 37271), (2587, 20069), (2867, 18109), (4277, 12139), (5551, 9353)]