198861695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 257856000

約数和(自身を除く): 58994305

約数列:

[1, 5, 19, 67, 95, 157, 199, 335, 785, 995, 1273, 2983, 3781, 6365, 10519, 13333, 14915, 18905, 31243, 52595, 66665, 156215, 199861, 253327, 593617, 999305, 1266635, 2093281, 2968085, 10466405, 39772339, 198861695]

約数ペア:

[(1, 198861695), (5, 39772339), (19, 10466405), (67, 2968085), (95, 2093281), (157, 1266635), (199, 999305), (335, 593617), (785, 253327), (995, 199861), (1273, 156215), (2983, 66665), (3781, 52595), (6365, 31243), (10519, 18905), (13333, 14915)]