259349735

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{4273}}^1$

素因数の和:4538

約数の個数: 16

約数和(自身を含む): 317985600

約数和(自身を除く): 58635865

約数列:

[1, 5, 61, 199, 305, 995, 4273, 12139, 21365, 60695, 260653, 850327, 1303265, 4251635, 51869947, 259349735]

約数ペア:

[(1, 259349735), (5, 51869947), (61, 4251635), (199, 1303265), (305, 850327), (995, 260653), (4273, 60695), (12139, 21365)]